PROCEEDINGS

127. Tomasz Gajewski, Piotr Peksa, Robert Studziński, Michał Malendowski,  Piotr Nowak, Artur Szlachta, Krzysztof Szajek, Wojciech Sumelka and Piotr Sielicki, Vehicle borne improvised explosive devices – experimental study, 7th International Conference of Protective Structures (ICPS7), 12-15 May, 2025

126. Robert Studziński, Hasan Al-Rifaie, Michał Malendowski, Wojciech Sumelka, Tomasz Gajewski and Piotr Sielicki, Field tests and numerical analysis of the blast-absorbing composite structure, 7th International Conference of Protective Structures (ICPS7), 12-15 May, 2025

125. Paulina Stempin, Wojciech Sumelka, Development of space-fractional finite element for scale-sensitive truss structures, 95th GAMM Annual Meeting, Poznań, Poland, from April 7 - April 11, 2025

124. Pratibha  Verma, Wojciech Sumelka, Existence and Uniqueness of Fractional IntegroDifferential Equations with Singular Kernel, 95th GAMM Annual Meeting, Poznań, Poland, from April 7 - April 11, 2025

123. Robert Studziński, Hasan Al-Rifaie, Michał Malendowski, Wojciech Sumelka, Tomasz Gajewski, Piotr Sielicki, Field tests and numerical analysis of the blast-absorbing composite structure, The 7th International Conference on Protective Structures (ICPS7), 2025

122. Wojciech Sumelka, (invited lecture), On application of fractional calculus in technical and medical sciences,  TKI-2024, 15-18 November 2024, Mikołajki, Poland

121. Marcin Nowak, Wojciech Sumelka, Paulina Stempin, Tomasz Jankowiak, Michał Wieczorowski, Joanna Małecka, Grzegorz Robak, Jolanta Królczyk, Kamil Cybul, Numerical analysis and experimental validation of split Hopkinson pressure bar setups: Proposal for a standard experimental design, XVII Konferencji Naukowo-Technicznej TECHNIKI KOMPUTEROWE W INŻYNIERII TKI2024, 15-18.10.2024

120. Tomasz Jankowiak, Marcin Nowak, Wojciech Sumelka, Paulina Stempin, Michał Wieczorowski, Joanna Małecka,  Grzegorz Robak, Jolanta Królczyk, Kamil Cybul,  Challenges in fast dynamic laboratory testing, International Conference "New Trends in Metrology" 2024, 16 - 18 September 2024, Kielce, Poland

119.  Paulina Stempin, Wojciech Sumelka, Modelling of Nonlocal Truss Structures in the Framework of Space-Fractional Continuum Mechanics, 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS-2024), 3-7 June 2024, Lisboa, Portugal

118. Paulina Stempin, Krzysztof Szajek, Wojciech Sumelka, Space-Fractional Continuum Mechanics as a Method of Capturing the Scale Effect, 19th European Mechanics of Materials Conferences (EMMC-19), Madrid from 29th to 31st May 2024

117. Paulina Stempin, Wojciech Sumelka, Modelowanie belek i płyt zależnych od mikrostruktury w oparciu o mechanikę ośrodków ciągłych niecałkowitego rzędu, XIII Konferencja Naukowa PLASTMET 2023 Łańcut, 7-10 listopada 2023

116. Y. Sun, W. Sumelka Thermomechanical model for clay with fractional flow direction,  PCM-CMM 2023, 5th Polish Congress of Mechanics & 25th International Conference on Computer Methods in Mechanics, 4-7 September 2023, Gliwice, Poland 

115. N. Jabbar, W. Sumelka, Numerical Simulations of heat transfer in Reiner Philippoff fluid with Non-Fourier’s Theory,  PCM-CMM 2023, 5th Polish Congress of Mechanics & 25th International Conference on Computer Methods in Mechanics, 4-7 September 2023, Gliwice, Poland

114. M. Kamiński, M. Guminiak, A. Lenartowicz, M. Łasecka-Plura, M. Przychodzki, W. Sumelka, An application of fractional derivatives and subspace iteration method for random eigenvibrations of plates resting on viscoelastic supports,  PCM-CMM 2023, 5th Polish Congress of Mechanics & 25th International Conference on Computer Methods in Mechanics, 4-7 September 2023, Gliwice, Poland

113. P. Stempin, W. Sumelka Modelling of nonlocal thick plates in the framework of space-fractional continuum mechanics,  PCM-CMM 2023, 5th Polish Congress of Mechanics & 25th International Conference on Computer Methods in Mechanics, 4-7 September 2023, Gliwice, Poland 

112. Wojciech Sumelka, (invited lecture), On Application of Fractional Calculus for Mechanics of Solids – Theory, Numerical Approximation, and Validation,  PCM-CMM 2023, 5th Polish Congress of Mechanics & 25th International Conference on Computer Methods in Mechanics, 4-7 September 2023, Gliwice, Poland

111. Robert Studziński, Michał Malendowski, Wojciech Sumelka, Tomasz Gajewski, Piotr Peksa, Piotr W. Sielicki, Robustness of Sandwich Panels Subjected to Blast Wave, Eurosteel Amsterdam 2023

110.  T.Gajewski, P.Peksa, M.Malendowski, R.Studzinski, W.Sumelka, and P.W.Sielicki, Building and People Safety vs. Investment Costs for a Multi-Story Residential Building in a Large-Scale Threat, 6th International Conference on Protective Structures, May 14 – 17, 2023 Auburn, AL

109. Robert Studziński, Hasan Al-Rifaie, Michał Malendowski, Wojciech Sumelka, Tomasz Gajewski, Piotr Peksa and Piotr Sielicki, Field Tests and Numerical Analysis of the Blast-Absorbing Composite Structure, 6th International Conference on Protective Structures, May 14 – 17, 2023 Auburn, AL

108. Tomasz Gajewski, Robert Studziński, Michał Malendowski, Piotr Peksa, Wojciech Sumelka, Piotr W. Sielicki, Verification of blast mitigating potential of hedges in real applications, CMM-SolMech 2022, Swinoujscie, September 5-8, 2022.

107. B. Łuczak, W. Sumelka, Experimental analysis and numerical modelling in the framework of fractional calculus of self-healing phenomena in roofing felts, CMM-SolMech 2022, Swinoujscie, September 5-8, 2022.

106. Wojciech Sumelka, Paulina Stempin, On selected space-fractional structural models, IUTAM Symposium on Enhancing Material Performance by Exploiting Instabilities and Damage Evolution, June 5-10, 2022, Warsaw, Poland

105. Wojciech Sumelka, Paulina Stempin, Krzysztof Szajek (invited lecture), Fractional mechanics - current development and perspectives, 15th International Conference on Advanced Computational Engineering and Experimenting (ACEX2022), Florence – ITALY, 03 – 07 July 2022

104.  K.Szajek, P. Stempin, W. Sumelka, Towards optimal space-fractional Euler-Bernoulli beam design, CMM-SolMech 2022, Swinoujscie, September 5-8, 2022.

103.  P. Stempin, W. Sumelka, Space-Fractional Kirchhoff-Love plate theory for bending analysis with scale effect, CMM-SolMech 2022, Swinoujscie, September 5-8, 2022.

102. B. Łuczak, W. Sumelka, Experimental analysis and numerical modeling utilizing fractional calculus of selected roofing felts, WCCM-APCOM 2022

101. P. Stempin, W. Sumelka, Plastic Hinge Formation in the Framework of the Space-Fractional Beam Theory, WCCM-APCOM 2022

100. P. Stempin, W. Sumelka, Free vibration analysis of space-fractional  beams, XXVII Conference of Lightweight Structures in Civil Engineering - Lodz District, 2-3 December 2021

99. Wojciech Sumelka, Paulina Stempin, Krzysztof Szajek (invited lecture), Mechanics of materials and structures in the framework of the fractional continuum mechanics, XIII Konferencja Naukowa - Zintegrowane Studia Podstaw Deformacji Plastycznej Metali  PLASTMET ' 2021, Łańcut Zamek, 23 - 26  listopada 2021r.

98. Krzysztof Szajek, Wojciech Sumelka, Tomasz Błaszczyk, REMARKS ON BAND-GAP CONTROL FOR BODIES WITH STRONG NON-LOCAL EFFECT IN THE FRAMEWORK OF SPACE-FRACTIONAL CONTINUUM MODEL, WCCM-ECCOMAS Virtual Congress, January 11 to 15, 2021 

97. Paulina Stempin, Wojciech Sumelka, Selected beam theories in the framework of space-fractional mechanics, WCCM-ECCOMAS Virtual Congress, January 11 to 15, 2021  

96. Bartosz Łuczak, Wojciech Sumelka, Tomasz Sterzyński, Karol Bula, Numerical optimization of the connection between polymer and steel sheet - numerical simulation,  XIV Konferencja Naukowo-Techniczna pt. Kierunki Modyfikacji i Zastosowań Tworzyw Polimerowych połączona z XXIII Warsztatami Profesorskimi, 19-21 października 2020, Rydzyna, Poland  

95. Krzysztof Szajek, Wojciech Sumelka,Tomasz Blaszczyk, Krzysztof Bekus,SELECTED COMPUTATIONAL SCHEMES FOR SPACE-FRACTIONAL MECHANICS, 10th German-Greek-Polish Symposium, Recent Advances in Mechanics, September 15-18, 2019, Będlewo, POLAND

94. Zenon Małkowski, Mirosław Kosiorek, Wojciech Sumelka, Flexible and composite fire barier, Technology transfer for the development of new products in agriculture, industry and other areas, Mełpin, 28 June 2019, Poland

93. Tomasz Blaszczyk, Krzysztof Bekus, Krzysztof Szajek, Wojciech Sumelka, Numerical integration methods for the approximate computation of the left caputo derivative with "short memory", 11th Conference on Mathematical Modeling in Physics and Engineering (MMPE'2019), 24-26 June 2019, Nieznanice Palace, Poland

92. Hasan AL-Rifaie and Wojciech Sumelka, NUMERICAL ANALYSIS OF A REINFORCED CONCRETE SUPPORTING STRUCTURE FOR BLAST RESISTANT GATES, 4th Polish Congress of Mechanics & 23rd International Conference on Computer Methods in Mechanics, 8-12 September 2019, Kraków, Poland

91. T.Blaszczyk, K. Bekus, K. Szajek, W. Sumelka, A numerical approach to short-memory principle for Caputo derivatives, 4th Polish Congress of Mechanics & 23rd International Conference on Computer Methods in Mechanics, 8-12 September 2019, Kraków, Poland

90. K. Szajek, T.Blaszczyk, W. Sumelka, On selected issues of space-fractional mechanics numerical approximations, 4th Polish Congress of Mechanics & 23rd International Conference on Computer Methods in Mechanics, 8-12 September 2019, Kraków, Poland

89. Michał Szymczyk, Marcin Nowak, Wojciech Sumelka, Tomasz Łodygowski, STRAIN LOCALIZATION ANALYSIS IN TERMS OF FRACTIONAL VISCOPLASTICITY, 4th Polish Congress of Mechanics & 23rd International Conference on Computer Methods in Mechanics, 8-12 September 2019, Kraków, Poland

88. B. Łuczak, T.Gajewski, W. Sumelka, G.Z. Voyiadjis, Time-Fractional damage model for human cardiovascular tissues, 4th Polish Congress of Mechanics & 23rd International Conference on Computer Methods in Mechanics, 8-12 September 2019, Kraków, Poland

87. Wojciech SUMELKA (invited lecture), Fractional Continuum Mechanical models, Fourth International Conference on Recent Advances in Nonlinear Mechanics, 7-10 May 2019, Lodz, Poland

86. W.Sumelka, K.Szajek, On equivalence of discrete and fractional mechanical models, 10th International Conference on Non-Integer Order Calculus and its Applications (RRNR 2018), Bialystok University of Technology, Białystok, Poland, 20-21 September 2018.

85. M. Szymczyk, W. Sumelka, and M. Nowak, INITIAL BOUNDARY VALUE PROBLEM IN THE FRAMEWORK OF FRACTIONAL VISCOPLASTICITY,The 41st Solid Mechanics Conference (SOLMECH 2018), Warsaw, August 27-31, 2018

84. Bartosz Łuczak, Wojciech Sumelka, and George Z. Voyiadjis, FRACTION HYPERELASTIC DAMAGE MODEL FOR ROOF MEMBRANES MATERIALS,The 41st Solid Mechanics Conference (SOLMECH 2018), Warsaw, August 27-31, 2018

83. Hasan Al-Rifaie, Wojciech SUMELKA, Piotr W. Sielicki, Parametric Design of Re-Entrant Auxetics for Efficient Blast Energy Absorption, 5th International Conference on Protective Structures, Poznan, Poland, August 20-24, 2018

82. K. Szajek, W. SUMELKA, Deterioratred nonostructure density identification in the framework of fractional continuum mechanics, The 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) (ECCM 6) and The 7th European Conference on Computational Fluid Dynamics (ECFD 7), 11-15 June, 2018, Glasgow, UK

81. W. SUMELKA and G. Z. Voyiadjis, TIME-FRACTIONAL MECHANICS FOR SOFT TISSUE MODELLING, The 6th European Conference on Computational Mechanics (Solids, Structures and Coupled Problems) (ECCM 6) and The 7th European Conference on Computational Fluid Dynamics (ECFD 7), 11-15 June, 2018, Glasgow, UK

80. G. Z. Voyiadjis, and W. SUMELKA, ON FRACTIONAL CALCULUS APPLICATION IN DAMAGE MECHANICS, The Third International Conference on Damage Mechanics, Shanghai, China, July 4-6th 2018

79. P.W. Sielicki, W.SUMELKA, Equations of state for condensed explosives. Properties sensitivity. 17th International Symposium on the Interaction of the Effects of Munitions with Structures, October 16 – 20, 2017, Dorint Parkhotel, Bad Neuenahr, Germany

78. W. SUMELKA (invited lecture), Mathematical modelling of material behaviour across space and time scales, The 3rd International Academic Conference on New Silk Road Interconnectivity, 7 September 2017, Chongqing, China

77. M. Szymczyk, W. SUMELKA, M.Nowak, FUNDAMENTAL PARAMETERS IN THE FRACTIONAL VISCOPLASTIC MODEL, The 11th Workshop - Dynamic Behaviour of Materials and its Applications in Industrial Processes, 23-25 august, 2017, Guimarães, Portugal

76. K.Szajek, W.SUMELKA, Identification of deteriorated nanostructures, 22nd International Conference on Computer Methods in Mechanics, September 13-16, 2017, Lublin, Poland

75. M.Szymczyk, W.SUMELKA, On selected aspects of fractional plasticity, 22nd International Conference on Computer Methods in Mechanics, September 13-16, 2017, Lublin, Poland

74. H.Al-Rifaie, W.SUMELKA, Numerical assessment of a blast-protective steel gate with a new damping system, 22nd International Conference on Computer Methods in Mechanics, September 13-16, 2017, Lublin, Poland

73. Tomasz Łodygowski, Wojciech SUMELKA, Piotr Sielicki (invited lecture), On Explosive Loading of Metallic Materials, Interaction of Applied Mathematics and Mechanics (IAMMC2017), 9-12 May 2017, PARIS, France

72. W. SUMELKA, Tomasz Lodygowski, Tomasz Blaszczyk, Marcin Nowak (invited lecture), Non-local fractional models for solids, Interaction of Applied Mathematics and Mechanics (IAMMC2017), 9-12 May 2017, PARIS, France

71. P.W.Sielicki, T.Lodygowski, K.Puk, W.SUMELKA, BEHAVIOR OF A LIGHTWEIGHT ELEVATION SYSTEM: EXPERIMENT AND NUMERICAL VERIFICATION, Proceedings of the 4th International Conference on Protective Structures: Analysis and practice of protective structures, Beijing, China, 18-21 October 2016, pp.655-661, 2016

70. P.W.Sielicki, T.Lodygowski, H.Al-Rifaie, W.SUMELKA, DESIGNING OF BLAST RESISTANT LIGHTWEIGHT ELEVATION SYSTEM - NUMERICAL STUDY, 12th International Conference: Modern Building Materials, Structures and Techniques (MBMST), May 26-27, 2016, Vilnius, Lithuania

69. W. SUMELKA, J. Fernández-Sáez, R. Zaera, ON DISPERSION PHENOMENA IN THE FRAMEWORK OF THE FRACTIONAL CONTINNUM MECHNICS, 40th Solid Mechanics Conference, 28.08-02.09 2016, Warsaw, Poland

68. M. Szymczyk, W. SUMELKA, T.Łodygowski, The numerical analysis of perforation of multilayered aluminum panels, The 10th Workshop - Dynamic Behaviour of Materials and its Applications in Industrial Processes, 24-26 august, 2016, Poznan, POLAND

67. H. Al-Rifaie, W. SUMELKA, P.W. Sielicki, Numerical analysis of reaction forces in blast resistant gates, The 10th Workshop - Dynamic Behaviour of Materials and its Applications in Industrial Processes, 24-26 august, 2016, Poznan, POLAND

66. Szymczyk M., SUMELKA W., Łodygowski T., Designing of multilayered, protective panels against improvised debris, XIII Miedzynarodowa Konferencja Naukowa Computer Aided Engineering, 22 – 25 czerwca 2016, Polanica Zdrój, Poland

65. W.SUMELKA, T. Łodygowski, On fractional mechanics concepts, 9th German-Greek-Polish Symposium Recent Advances in Mechanics, September, 04-09, 2016, Kolympari,Chania, GREECE

64. T. Lodygowski, P. Sielicki, W. SUMELKA, Rozwiązania techniczne w budowie bezpiecznej przestrzeni – bezpieczeństwo pasywne, Międzynarodowe Targi Poznańskie SECUREX 2016, 25-28 kwietnia 2016, Poznań

63. P. Sielicki, T. Lodygowski, W. SUMELKA, K. Puk, The behaviour of a lightweight elevation system under improvised explosive device action: experiment vs. numerical verification, WCCM – APCOM 2016 Congress, Seoul, Republic of Korea, during 24 – 29 July, 2016

62. P. Sielicki, T. Lodygowski, W. SUMELKA, K. Puk, The behaviour of a lightweight elevation system under improvised explosive device action: experiment vs. numerical verification, ECCOMAS Congress 2016 - VII European Congress on Computational Methods in Applied Sciences and Engineering, Crete, Greece in June 5-10, 2016

61. Malachowski Jerzy, Baranowski Pawel, Mazzurkiewicz Lukasz, Sielicki Piotr, SUMELKA Wojciech, Crashworthiness analysis of various configurations of protective panels, INTERNATIONAL CONFERENCE ON IMPACT OF LIGHTWEIGHT STRUCTURES AND MATERIALS - 22-26.05.2016 TORINO, ITALY, POLITECNICO DI TORINO

60. W. SUMELKA, M. Nowak, M. Szymczyk (invited lecture), Fractional calculus for extreme dynamics, IUTAM Symposium on Dynamic Instabilities in Solids, Madrid, May 17-20, 2016

59. Maruszewski B.T., Gajewski T., Grabski J.K., SUMELKA W., Szajek K., Walczak T., Simulation of extrusion processes in porous media, PCM-CMM-2015 – 3rd Polish Congress of Mechanics & 21st Computer Methods in Mechanics September 8th–11th 2015, Gdansk, Poland

58. Wojciech SUMELKA, Anisotropic fractional non-local model, PCM-CMM-2015 – 3rd Polish Congress of Mechanics & 21st Computer Methods in Mechanics September 8th–11th 2015, Gdansk, Poland

57. W. SUMELKA, M. Nowak, M. Szymczyk, T. Lodygowski, FRACTIONAL VISCOPLASTICITY FOR DYNAMIC PROCESSES – NON-NORMALITY AND INDUCED PLASTIC ANISOTROPY, Annual International Workshop on Dynamic Behaviour of Structures and Materials, Interaction and Friction Across the Strain Rates 2015, 26–28 August 2015, Institute of Physics, London, UK

56. Wojciech SUMELKA, Marcin Nowak, Fractional calculus for plasticity - non-associativity and induced plastic anisotropy, 4th International Conference on Materials Modeling Berkeley, California, May 27-29, 2015

55. Tomasz Łodygowski, Piotr Sielicki, Wojciech SUMELKA, Analiza numeryczna konstrukcji żelbetowego budynku biurowego obciążonego falą ciśnienia od wybuchu, Aplikacje, algorytmy i technologie KDM, 11-12 maja 2015

54. Piotr W. Sielicki, Samuel E. Rigby, Wojciech SUMELKA, Numerical predictions of the negative phase, Design and Analysis of Protective Structures 2015, 19 - 21 May 2015, Furama Riverfront Hotel, Singapore

53. P.W. Sielicki, W. SUMELKA, THE INFLUENCE OF AN EXPLOSIVE DESCRIPTION DUE TO THE NUMERICAL SIMULATION OF BLAST, International Conference on Protective Structures (ICPS3), 3-6 February 2015, Newcastle, Australia

52. Tomasz Łodygowski, Piotr W. Sielicki, Wojciech SUMELKA, Piotr Peksa, Marcin Olejnik, Karol Puk, Wybrane aspekty bezpieczeństwa ludzi, budynków i mienia poprzez systemy ochrony pasywnej, I International Science and Technology Conference Technical Safety “ICTS – 2014”, pp. XX-XX, December 11-12, 2014, Wrocław, Poland

51. T.Łodygowski, P.W. Sielicki, W. SUMELKA, K.Puk, Light weight panels system for the protection against incidental loadings, Trwałość i skuteczność napraw obiektów budowlanych - TISNOB 2014, 19-21 November 2014, Poznań, Poland

50. W. SUMELKA, (Plenary Lecture), Fractional calculus for continuum mechanics - theory, applications and future tasks, The 8th WORKSHOP on DYNAMIC BEHAVIOUR OF MATERIALS AND ITS APPLICATIONS IN INDUSTRIAL PROCESSES, pp. 31-32, Warsaw, 25-27 June, 2014

49. W. SUMELKA, J. Fernández-Sáez, R. Zaera, SMALL-SCALE EFFECT IN THE FRAMEWORK OF FRACTIONAL AND ERINGEN NON-LOCAL MODELS, 39th Solid Mechanics Conference, September 1-5, 2014, pp. 91-92, Zakopane, Poland

48. W. SUMELKA, P.W. Sielicki, The influence of gas domain and explosive descriptions on numerical simulation of blast, XIII Konferencja Naukowo-Techniczna, TECHNIKI KOMPUTEROWE W INŻYNIERII 2014, pp. 171-172, May 6-9, 2014, Licheń Stary k. Konina, Poland

47.T.Łodygowski, T. Jankowiak, P. Sielicki, W.SUMELKA, (Plenary Lecture), Badania doświadczalne i analiza numeryczna materiałów i konstrukcji poddanych szybkim obciążeniom dynamicznym, 52 Sympozjon "Modelowanie w mechanice", Ustroń, 22-25 lutego 2014 r.

46. W. SUMELKA, K. Szajek, T. Łodygowski, Application of Fractional Continuum Mechanics to Plane Problems of Elasticity, 11th. World Congress on Computational Mechanics (WCCM2014), 5th. European Conference on Computational Mechanics (ECCM V), 6th. European Conference on Computational Fluid Dynamics (ECFD VI), pp. XX-XX, July 20 - 25, 2014, Barcelona, Spain

45. W. SUMELKA, P.W. Sielicki, Behaviour of steel column subjected to the explosion, Part I: Constitutive model for steel, The Fourteenth Pan American Congress of Applied Mechanics (PACAM XIV) , pp. 145, March 24 - 28, 2014, Santiago, Chile

44. P.W. Sielicki, W. SUMELKA, Behaviour of steel column subjected to the explosion, Part II: Gas domain, numerical example and actual verification, The Fourteenth Pan American Congress of Applied Mechanics (PACAM XIV) , pp. 142, March 24 - 28, 2014, Santiago, Chile

43. Tomasz Łodygowski, Wojciech SUMELKA, Future perspectives for the Perzyna’s theory, 8th German-Greek-Polish Symposium on Recent Advances in Mechanics, pp. 45-46, September 9 - 13, 2013, Goslar, Germany

42. Wojciech SUMELKA, Non-local continuum mechanics based on fractional calculus, 20th Int. Conf. on Computer Methods in Mechanics CMM-2013, pp. MS02-05-06, August 27-31, 2013, Poznan, Poland

41. Dobroslawa Jaśkowska, Tomasz Łodygowski, Wojciech SUMELKA, Structural Glass Modelling - Application of Linear Elastic Fracture Mechanics and XFEM, 20th Int. Conf. on Computer Methods in Mechanics CMM-2013, pp. MS07-11-12, August 27-31, 2013, Poznan, Poland

40. Wojciech SUMELKA, Fractional Viscoplasticity Accounting for Isotrpoic Damage, International Conference on Computational Modeling of Fracture and Failure of Materials and Structures CFRAC2013, pp. 120, 5-7 June, 2013, Prague, Czech Republic

39. Wojciech SUMELKA, Fractional deformation gradients, 7th INTERNATIONAL WORKSHOP ON DYNAMIC BEHAVIOUR OF MATERIALS AND ITS APPLICATIONS IN INDUSTRIAL PROCESSES, MADRID, SPAIN, pp. 54-55, 8-10 MAY, 2013

38. Wojciech SUMELKA, Recent advances in Perzyna's type viscoplasticity, 30th anniversary of scientific cooperation between Poznan University and Leibniz Universität Hannover - Bilateral workshop on topics in Civil and Mechanical Engineering, 14-15 March, 2013, Hannover, Germany

37. Wojciech SUMELKA, Tomasz Łodygowski, Design of steel structures subjected to extrem dynamic loadings, METNET Annual Seminar, pp. 1, Izmir, October 10-11, 2012, Turkey

36. Tomasz Łodygowski, Wojciech SUMELKA, Damage anisotropy, 6th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS2012), pp. 317, September 10-14, 2012, Vienna, Austria

35. Wojciech SUMELKA, Fractional viscoplasticity, 37th Solid Mechanics Conference, pp. 102-103, August 27-31, 2012, Warsaw, Poland

34. Tomasz Łodygowski, Wojciech SUMELKA (Plenary Lecture), Damage Induced by Viscoplasitc Waves Interaction, XXV Jubileuszowe Sympzjum "Drgania w Układach Fizycznych", pp. 23-32, vol. 25, 15-19 maja 2012, Będlewo, Poland

33. Wojciech SUMELKA, Adam Glema, Stability and uniqueness in dynamic analysis of metal structures accounting for anisotropic damage,  Workshop 2012 - Dynamic Behavior of Materials and Safety of Structures, pp. 1-2, 2-4 May, 2012, Poznań, Poland

32. Wojciech SUMELKA, Fractional viscoplasticity - an introduction, Workshop 2012 - Dynamic Behavior of Materials and Safety of Structures, pp. 1-2, 2-4 May, 2012, Poznań, Poland

31. Tomasz Łodygowski, Wojciech SUMELKA, Thermal stresses in metallic materials due to extreme loading conditions, Symposium "Modeling Material Behaviour at Multiple Scales", pp. 23, April 8-10, 2012, Seoul, Republic of Korea

30. Wojciech SUMELKA, Tomasz Łodygowski, Modelowanie pochłaniania energii od obciążeń wyjątkowych w ramach zmodyfikowanego modelu Perzyny, XII Konferencja Naukowo-Techniczna TECHNIKI KOMPUTEROWE W INŻYNIERII, pp. 253-254, 18-21 Październik, 2011, Słok k. Bełchatowa, Polska

29. Wojciech SUMELKA, Tomasz Łodygowski, Kryterium zniszczenia metali poddanych ekstremalnym obciążeniom dynamicznym, II Kongres Mechaniki Polskiej, pp. 80, 29 - 31 Sierpień, 2011, Poznań, Polska

28. Adam Glema, Wojciech SUMELKA, Anizotropowa ewolucja procesu odkształcenia i zniszczenia dla próbek metalowych pod obciażeniem udarowym, II Kongres Mechaniki Polskiej, pp. 72, 29 - 31 Sierpień, 2011, Poznań, Polska

27. Wojciech SUMELKA, Tomasz Łodygowski, The Influence of Anisotropic Microdamage Nucleation on Macrodamage Evolution under Extreme Strain Rates Regime, Annual International Workshop on Dynamic Behavior of Structures and Materials, Interaction and Friction, June 13th to 15th, 2011, Metz, France

26. Wojciech SUMELKA, Tomasz Łodygowski, Designing of passive safety systems under extreme loading conditions in terms of viscoplasticity formulation for anisotropic bodies - the role of microdamage nucleation, International Conference on Computational Modeling of Fracture and Failure of Materials and Structures CFRAC2011, pp. 214, 6-8 June, 2011, Barcelona, Spain

25. SUMELKA W., Łodygowski T., Glema A., Reduction of the number of material parameters by ANN approximation of material functions in the viscoplasticity formulation for anisotropic solids, 19th Int. Conf. on Computer Methods in Mechanics CMM-2011, pp. 473-474, May 9-12, 2011, Warsaw, Poland

24. Tomasz Łodygowski, Alexis Rusinek, Tomasz Jankowiak, Wojciech SUMELKA, Selected topics of hihg strain rates analysis, Eighth International Conference HIGH SPEED MACHINING - METZ 2010, pp. 1-5, December 08-10, 2010, Metz, France

23. Wojciech SUMELKA, Tomasz Łodygowski, The influence of the initial microdamage anisotropy on macrodamage mode in dynamic tension of steel sheet, 7th German-Greek-Polish Symposium on Recent Advances in Mechanics, pp. 111-112, September 19-22, 2010, Poznań, Poland

22. Adam Glema, Tomasz Łodygowski, Wojciech SUMELKA, Selected Aspects of Using Different Objective Rates in Continuum Damage Mechanics Based on the Theory of Viscoplasticity for an Anisotropic Solids, 37th Solid Mechanics Conference, pp. 134-135, September 6-10, 2010, Warsaw, Poland

21. Wojciech SUMELKA, Adam Glema, Tomasz Łodygowski, Anisotropic Viscoplasticity Formulation for Nowacki's Double Shear Test, Workshop 2010 on Constitutive Modeling in Applications for Industrial Processes, 1-3 September, 2010, Kraków, Poland

20. Adam Glema, Tomasz Łodygowski, Wojciech SUMELKA, Anisotropic versus Isotropic Microdamage Evolution Process in Metals in the Framework of Viscoplasticity Theory, 9th World Congress on Computational Mechanics and 4th Asian Pacific Congress on Computational Mechanics (WCCM/APCOM2010), pp. 145, July 19-23, 2010, Sydney, Australia

19. Adam Glema, Tomasz Łodygowski, Wojciech SUMELKA, Anisotropic Theory of Viscoplasticity for Spalling and Perforation of Metal Sheets, Seventh International Symposium on Impact Engineering (ISIE2010), pp. 260, July 4-7, 2010, Warsaw, Poland

18. Adam Glema, Tomasz Łodygowski, Wojciech SUMELKA, Remarks on the Explicit Time Integration Scheme for an Adiabatic Deformation of an Anisotropic Elasto-Viscoplastic Solids Accounting for Damage, IV European Congress on Computational Mechanics (ECCM IV), May 16-21, 2010, Paris, France

17. Adam Glema, Tomasz Łodygowski, Wojciech SUMELKA, Towards the modelling of anisotropic solids, Konferencja Użytkowników Komputerów Dużej Mocy PCSS 2009, November 6, 2009, Poznań, Poland

16. Adam Glema, Wojciech SUMELKA, Anisotropic microdamage evolution for shear band formation in metal specimen, Workshop "Theoretical and Experimental approaches for Dynamic Industrial processes", pp. 37-39, June 24-26, 2009, Madrid, Leganés, Spain

15. SUMELKA W., Glema A., Theoretical and computational aspects of implementation of anisotropic constitute model for metals with microstructural defects, 18th Int. Conf. on Computer Methods in Mechanics CMM-2009, pp. 451-452, 18-21 May 2009, Zielona Góra, Poland

14. SUMELKA W., Klepaczko J.R., Łodygowski T., Rusinek A., Glema A., Reducing of spurious vibrations in dynamic tension testing of materials, Workshop, Dynamic Behaviour of Materials, In memory of our Friend and Colleague Prof. J.R. Klepaczko, pp. 181-188, May 13-15, Metz, FRANCE 2009

13. Glema A., Łodygowski T., Perzyna P., SUMELKA W., Adiabatic microdamage anisotropy in ductile materials, 36th Solid Mechanics Conference, IFTR REPORTS, Vol. 2, pp. 262-263 September 9-12, 2008, Gdansk, Poland

12. Adam Glema, Wojciech SUMELKA, The role of the anisotropy in the process of advanced deformation and damage in metal sheets, WORKSHOP2008, Dynamic fracture and damage of brittle and ductile materials and its industrial applications, 3-5 September, 2008, Poznań, Poland

11. Tomasz Lodygowski, Adam Glema, Wojciech SUMELKA, Anisotropy induced by evolution of microstructure in ductile material, 8th World Congress on Computational Mechanics (WCCM8), 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), June 30 - July 5, 2008, Venice, Italy

10. Wojciech SUMELKA, Adam Glema,, Intrinsic microstructure anisotropy in elastic solids, GAMM 2008 79th Annual Meeting of the International Association of Applied Mathematics and Mechanics, March 31- April 4, 2008, Bremen, Germany (CD of abstracts)

9. Tomasz Lodygowski, Adam Glema, Piotr Perzyna, Wojciech SUMELKA, Dynamic shear band propagation and crack evolution in inelastic solids, APCOM'07 in conjunction with EPMESC XI, Kyoto, JAPAN, December 3-6, pp. 151, 2007

8. A. Glema, T.Łodygowski, P. Perzyna, W. SUMELKA, Identyfikacja modelu materiału termiczno-sprężysto-lepkoplastycznego z uwzględnieniem anizotropowego mikrouszkodzenia, I Kongres Mechaniki Polskiej, Warszawa, POLSKA, 28-31 Sierpień, pp.77, 2007

7. W. SUMELKA, A. Glema, The evolution of microvoids in elastic solids, 17th Int. Conf. on Computer Methods in Mechanics CMM-2007, Łódź-Spała, POLAND, June 19-22, pp. 347-348, 2007

6. A. Glema, T. Łodygowski, P. Perzyna, W. SUMELKA, Constitutive Anisotropy Induced by Plastic Strain Localization, 35th SOLID MECHANICS CONFERENCE, Kraków, Poland, September 4-8, pp. 139-140, 2006

5. T. Łodygowski, A. Glema, P. Perzyna, W. SUMELKA, Plastic Shear Band Velocity and Fracture Induced Anisotropy in Metals under Impact Loading, 7th World Congress on Computational Mechanics WCCM VII, Los Angeles, California, USA, July 16-22, 2006

4. J. Rakowski, W. SUMELKA, Calculation of Slender Beam Deflections - a Nonlinear Approach (in Polish), Konferencja naukowa pod honorowym patronatem ministra środowiska prof. dr hab. Jana Szyszko, INŻYNIERIA I KSZTAŁTOWANIE ŚRODOWISKA OBSZARÓW NIEZURBANIZOWANYCH - WODA W INŻYNIERII KRAJOBRAZU, Warszawa, Poland, June 29-30, 2006

3. W. SUMELKA, A. Glema, The subset of boundary conditions approximation in computations of complex wide scale problems, The 10th International Conference on Numerical Methods in Continuum Mechanics NMCM2005, Žilina, Slovak Republic, August 23-26, 2005

2. W. SUMELKA, T. Łodygowski, Substitute acoustic boundary impedance conditions for boundaries with periodic geometry in computer simulations of acoustic planar wave traveling, The 10th International Conference on Numerical Methods in Continuum Mechanics NMCM2005, Žilina, Slovak Republic, August 23-26, 2005

1. W. SUMELKA, T. Łodygowski, Limitations in application of the Finite Element Method in Acoustic Numerical Simulations of the University Assembly Hall MAGNA, 16th Int. Conf. on Computer Methods in Mechanics CMM-2005, Czestochowa, POLAND, June 21-24, 2005