Publications

   (*) Graduate Students ; (^) Undergraduate Students; **Collaborators 

1. Sun, S.* and Khandelwal, K. (2025). "Structural Symmetry, Multiplicity, and Differentiability of Eigenfrequencies". Preprint-arXiv

2. Sun, S.* and Khandelwal, K. (2025). "A cluster mean approach for topology optimization of natural frequencies and bandgaps with simple/multiple eigenfrequencies".  International Journal of Numerical Methods in Engineering, (DOI), Preprint-arXiv

3. Feng, N*., Zhang, G.* and Khandelwal, K. (2025). "Finite Strain Robust Topology Optimization Considering Multiple Uncertainties". (DOI) Preprint-arXiv

4. Zhang, G.*, Khandelwal, K., Guo, T.** (2023). "Topology optimization of stability-constrained structures with simple/multiple eigenvalues". International Journal of Numerical Methods in Engineering. (DOI)

5. Zhang, G.*, Khandelwal, K., Guo, T.** (2023). "Finite Strain Topology Optimization with Nonlinear Stability Constraints". Computer Methods in Applied Mechanics and Engineering. (DOI),  Preprint-arXiv

6. Zhang, G.* and Khandelwal, K. (2022). "Gurson-Tvergaard-Needleman model guided fracture-resistant structural designs under finite deformations". International Journal of Numerical Methods in Engineering. (DOI)

7. Feng, N*., Zhang, G.* and Khandelwal, K. (2022). "Finite strain FE2 analysis with data-driven homogenization using deep neural networks". Computers & Structures. (DOI) (Direct Link)

8. Zhang, G.*, Feng, N*. and Khandelwal, K. (2021). "A Computational framework for homogenization and multiscale stability analyses of nonlinear periodic materials". International Journal of Numerical Methods in Engineering. (DOI)  Preprint-arXiv

9. Feng, N*., Zhang, G.* and Khandelwal, K. (2021). "On the Performance Evaluation of Stochastic Finite Elements in Linear and Nonlinear Problems". Computers & Structures. (DOI) (Direct link)

10. Li, L.* and Khandelwal, K. (2020). "Topology Optimization of Energy Dissipating Plastic Structures with Shear Modified Gurson-Tvergaard-Needleman Model". Journal of Structural Engineering (ASCE ). (DOI)

11. Zhang, G.* and Khandelwal, K. (2020). "Topology Optimization of Dissipative Metamaterials at Finite Strains Based on Nonlinear Homogenization". Structural and Multidisciplinary Optimization. DOI (Read Cube)

12. Alberdi, R.* and Khandelwal, K. (2020). "Optimized Bi-Material Layouts for Energy Dissipating Composites under Finite Deformations". International Journal of Solids and Structures, (DOI) (Direct link).

13. Zhang, G.* and Khandelwal, K. (2019). "Computational Design of Finite Strain Auxetic Metamaterials via Topology Optimization and Nonlinear Homogenization". Computer Methods in Applied Mechanics and Engineering. (DOI) (Direct-Link) Preprint-arXiv 

14. Alberdi, R.* and Khandelwal, K. (2019). "Bi-Material Topology Optimization for Energy Dissipation with Inertia and Material Rate Effects under Finite Deformations". Finite Elements in Analysis & Design, Vol. 164, Pages 18-41.  (DOI) (Direct-link)

15. Zhang, G.* and Khandelwal, K. (2019). "Design of Dissipative Multimaterial Viscoelastic-Hyperelastic Systems at Finite Strains via Topology Optimization". International Journal of Numerical Methods in Engineering. DOI (Read Cube)

16. Alberdi, R.* and Khandelwal, K. (2019). "Design of Periodic Elastoplastic Energy Dissipating  Microstructures." Structural and Multidisciplinary Optimization. (Read-Cube Link), DOI (PDF)

17. Zhang, G.*, Alberdi, R.* and Khandelwal, K. (2018). "Topology Optimization with Incompressible Materials under Small and Finite Deformations using Mixed u/p Elements." International Journal of Numerical Methods in Engineering. DOI (PDF)

18. Li, L.*, Zhang, G.* and Khandelwal, K. (2018). “Failure Resistant Topology Optimization of Structures using Nonlocal Elastoplastic-Damage Model." Structural and Multidisciplinary Optimization. (DOI). (Read-Cube Link) (PDF)

19. Kiran R.* and Khandelwal, K. (2018). "On the Application of Multipoint Root-Solvers for Improving Global Convergence of Fracture Problems.", Engineering Fracture Mechanics. (DOI) (PDF)

20. Alberdi, R.*, Zhang, G.*, Li, L.* and Khandelwal, K. (2018). "A Unified Framework for Nonlinear Path-Dependent Sensitivity Analysis in Topology Optimization." International Journal of Numerical Methods in Engineering. (DOI) (PDF)

21. Zhang, G.*, Alberdi, R.* and Khandelwal, K. (2018). "On the Locking Free Isogeometric Formulations for 3-D Curved Timoshenko Beams." Finite Elements in Analysis & Design. Vol 143, pg: 46-65  (DOI) (Direct Link) (PDF)

22. Alberdi, R.*, Zhang, G.* and Khandelwal, K. (2018). "A Framework for Implementation of RVE-Based Multiscale Models in Computational Homogenization using Isogeometric Analysis." International Journal of Numerical Methods in Engineering. (DOI)  (PDF)

23. Alberdi, R.*, Zhang, G.* and Khandelwal, K. (2017). "An Isogeometric Approach for Analysis of Phononic Crystals and Elastic Metamaterials with Complex Geometries." Computational Mechanics. (DOI). Read-Cube Link 

24. Kiran R.*, Li, L.* and Khandelwal, K. (2017). Closure to “Complex Perturbation Method for Sensitivity Analysis of Nonlinear Trusses” by Ravi Kiran, Lei Li, and Kapil Khandelwal. Journal of Structural Engineering. Vol. 143, Issue 12. (DOI) (PDF)

25. Li, L.* and Khandelwal, K. (2017). “Design of Fracture Resistant Energy Absorbing Structures using Elastoplastic Topology Optimization." Structural and Multidisciplinary Optimization. (DOI). Read-Cube Link  (Google Scholar)

26. Alberdi, R.* and Khandelwal, K. (2017). "Topology Optimization of Pressure Dependent Elastoplastic Energy Absorbing Structures with Material Damage Constraints." Finite Elements in Analysis & Design, Vol. 133, 42-61. (DOI) (PDF) (Google Scholar)

27. Li, L.*, Zhang, G.* and Khandelwal, K. (2017). “Design of Energy Dissipating Elastoplastic Structures under Cyclic Loads using Topology Optimization." Structural and Multidisciplinary Optimization. Vol. 56, Issue 2. (DOI). (PDF) Read-Cube Link. (Google Scholar) 

28. Li, L.*, Zhang, G.* and Khandelwal, K. (2017). “Topology Optimization of Energy Absorbing Structures with Maximum Damage Constraint.” International Journal of Numerical Methods in Engineering. Vol. 112, Issue 7, pg. 737-775 (DOI) (PDF) (Google Scholar) 

29. Li, L.*, Zhang, G.* and Khandelwal, K. (2017). “Topology Optimization of Gradient Elastic Material Structures.” Structural and Multidisciplinary Optimization. Vol. 56, Issue 2. (DOI). (PDF) Read-Cube Link (Google Scholar)

30. Li, L.* and Khandelwal, K. (2017). "Topology Optimization of Geometrically Nonlinear Trusses with Spurious Eigenmodes Control." Engineering Structures. Vol. 131, pg. 324–344 (DOI) (PDF) (Google Scholar) 

31. Zhang, G.*, Li, L.* and Khandelwal, K. (2017). "Topology Optimization of Structures with Anisotropic Plastic Materials using Enhanced Assumed Strain Elements." Structural and Multidisciplinary Optimization. Vol. 143, Issue 6, pg. 1965–1988.  (DOI). (PDF) Read-Cube Link (Google Scholar)

32. Kiran R.*, Li, L.* and Khandelwal, K. (2017). "Complex Perturbation Method for Sensitivity Analysis of Nonlinear Trusses." Journal of Structural Engineering. Vol. 143, Issue 1. (DOI) (PDF) (Google Scholar)

33. Zhang, G.*, Alberdi, R.* and Khandelwal, K. (2016). "Analysis of three-dimensional curved beams using isogeometric approach." Engineering Structures. Vol. 117, Pg. 560-574 (DOI). (PDF) (Google Scholar)

34. Zhang, G.* and Khandelwal, K. (2016). "Modeling of Nonlocal Damage-Plasticity in Beams using Isogeometric Analysis." Computers & Structures. Vol. 165, Pg. 76-95 (DOI). (PDF) (Google Scholar)

35. Alberdi, R.* and Khandelwal, K. (2015). "Comparison of Robustness of Metaheuristic Algorithms for Steel Frame Optimization." Engineering Structures. Vol. 102, pg. 40-60 (DOI). (PDF) (Google Scholar)

36. Kiran R.* and Khandelwal, K. (2015). "A Coupled Microvoid Elongation and Dilation Based Ductile Fracture Model for Structural Steels." Engineering Fracture Mechanics, Vol. 145, pg. 15-42. (DOI). (PDF) (Google Scholar)

37. Alberdi, R.*, Murren, P.* and Khandelwal, K. (2015). "Connection Topology Optimization of Steel Moment Frames using Metaheuristic Algorithms." Engineering Structures. Vol. 100, pg. 276-292.(DOI). (PDF) (Google Scholar)

38. Li, L.* and Khandelwal, K. (2015). "Topology Optimization of Structures with Length-scale Effects using Elasticity with Microstructure Theory." Computers & Structures. Vol. 157, pg. 165-177. (DOI). (PDF) (Google Scholar)

39. Kiran, R.*, Li, L.* and Khandelwal, K. (2015). "Performance of Cubic Convergent Methods for Implementing Nonlinear Constitutive Models." Computers & Structures. Vol. 156, pg. 83-100. (DOI). (PDF) (Google Scholar)

40. Li, L.* and Khandelwal, K. (2015). "An Adaptive Quadratic Approximation for Structural and Topology Optimization." Computers & Structures, Vol. 151, pg. 130-147. (DOI). (PDF) (Google Scholar)

41. Kiran, R.* and Khandelwal, K. (2015). "Automatic Implementation of Finite Strain Anisotropic Hyperelastic Models using Hyper-dual Numbers." Computational Mechanics. Vol. 55, Issue 1, pg. 229-248. (DOI). (PDF) (Google Scholar)

42. Li, L.* and Khandelwal, K. (2015). "Volume Preserving Projection Filters and Continuation Methods in Topology Optimization." Engineering Structures. Vol 85, pg. 144-161 (DOI). (PDF) (Google Scholar)

43. Kiran, R.* and Khandelwal, K. (2015). "A Micromechanical Cyclic Void Growth Model for Ultra-low Cycle Fatigue." International Journal of Fatigue. Vol. 70, pg. 24-37. (DOI). (PDF) (Google Scholar)

44. Cowan, M.* and Khandelwal, K. (2014). "Modeling of High Temperature Creep in ASTM A992 Structural Steels." Engineering Structures. Vol. 80, pg. 426-434. (DOI). (PDF) (Google Scholar)

45. Kiran, R.* and Khandelwal, K. (2014). "A Triaxiality and Lode Parameter Dependent Ductile Fracture Criterion." Engineering Fracture Mechanics. Vol. 128, pg. 121-138. (DOI). (PDF) (Google Scholar)

46. Kiran, R.* and Khandelwal, K. (2014). "Numerically Approximated Cauchy Integral (NACI) for Implementation of Constitutive Models." Finite Elements in Analysis and Design. Vol. 89, pg. 33-51. (DOI). (PDF) (Google Scholar)

47. Kiran, R.* and Khandelwal, K. (2014). "Complex Step Derivative Approximation for Numerical Evaluation of Tangent Moduli." Computers & Structures. Vol. 140, pg. 1-13. (DOI). (PDF) (Google Scholar)

48. Khandelwal, K. and El-Tawil. S. (2014). "A Finite Strain Continuum Damage Model for Simulating Ductile Fracture in Steels." Engineering Fracture Mechanics, Vol. 116, pg. 172-189. (DOI). (PDF) (Google Scholar)

49. Kiran, R.* and Khandelwal, K. (2014). "Fast-to-compute Weakly Coupled Ductile Fracture Model for Structural Steels." Journal of Structural Engineering. Vol. 140(6), 04014018. (DOI). (PDF) (Google Scholar)

50. Murren, P.* and Khandelwal, K. (2014). "Design-Driven Harmony Search (DDHS) in Steel Frame Optimization." Engineering Structures, Vol. 59, pg. 798-808. (DOI). (PDF) (Google Scholar)

51. Li, L.* and Khandelwal, K. (2014). "Two-Point Gradient-Based MMA (TGMMA) Algorithm for Topology Optimization." Computers & Structures, Vol. 131, pg. 34-45. (DOI). (PDF) (Google Scholar)

52. Kiran, R.* and Khandelwal, K. (2014). "Gurson Model Parameters for Ductile Fracture Simulation in ASTM A992 Steels." Fatigue & Fracture of Engineering Materials & Structures, Vol. 37 (2), pg. 171-183. (DOI). (PDF) (Google Scholar)

53. Alberdi, R.*, Przywara, J.^ and Khandelwal, K. (2013). "Performance Evaluation of Sandwich Panel Systems for Blast Mitigation." Engineering Structures, Vol. 56, pg. 2119-2130. (DOI). (PDF) (Google Scholar)

54. Kiran, R.* and Khandelwal, K. (2013). "Experimental Studies and Models for Ductile Fracture in ASTM A992 Steels at High Triaxiality." Journal of Structural Engineering, Vol. 140, Issue 2, 04013044. (DOI). (PDF) (Google Scholar)

55. Kiran, R.* and Khandelwal, K. (2013). "A Micromechanical Model for Ductile Fracture Prediction in ASTM A992 Steels." Engineering Fracture Mechanics, Vol. 101, pg. 102-117. (DOI). (PDF) (Google Scholar)

56. Tovar, A. and Khandelwal, K. (2013). "Topology optimization for minimum compliance using a control strategy." Engineering Structures, Vol. 48, pg. 674-682. (DOI). (PDF) (Google Scholar)

57. Khandelwal, K. and S. El-Tawil (2011). "Pushdown Resistance as a Measure of Robustness in Progressive Collapse Analysis." Engineering Structures, Vol. 33(9), pg. 2653-2661. (DOI). (PDF) (Google Scholar)

58. Khandelwal, K., El-Tawil. S., and Sadek, F. (2009). "Progressive Collapse Analysis of Seismically Designed Steel Braced Frames." Journal of Constructional Steel Research, Vol. 65, No. 3, pg. 699-708. (DOI). (PDF) (Google Scholar)

59. Khandelwal, K., S. El-Tawil, et al. (2008). "Macromodel-Based Simulation of Progressive Collapse: Steel Frame Structures." Journal of Structural Engineering, Vol. 134(7), pg. 1070-1078. (DOI). (PDF) (Google Scholar)

60. Khandelwal, K. and S. El-Tawil (2007). "Collapse Behavior of Steel Special Moment Resisting Frame Connections." Journal of Structural Engineering, Vol. 133(5), pg. 646-655. (DOI). (PDF) (Google Scholar)

61. Chao, S.-H., Khandelwal, K., et al. (2006). "Ductile Web Fracture Initiation in Steel Shear Links." Journal of Structural Engineering, Vol. 132(8), pg. 1192-1200. (DOI) (PDF) (Google Scholar)

1. Zhang, G. and Khandelwal, K. (2019). "Design of Dissipative Metamaterials via Topology Optimization and Nonlinear Homogenization". 15th US National Congress on Computational Mechanics, USNCCM15, Austin, TX.

2. Feng N., Zhang, G. and Khandelwal, K. (2019). "Uncertainty Quantification in Inelastic Problems via Stochastic Finite Element Methods". 15th US National Congress on Computational Mechanics, USNCCM15, Austin, TX.

3. Feng N., Zhang, G. and Khandelwal, K. (2019). "Performance Evaluation of Stochastic Finite Elements in Linear and Nonlinear Solid Mechanics". Engineering Mechanics Institute (EMI2019), CalTech, Pasadena, CA.

4. Zhang, G. and Khandelwal, K. (2019). "Design of Auxetic Metamaterials under Finite Strain via Topology Optimization and Nonlinear Homogenization". Engineering Mechanics Institute (EMI2019), CalTech, Pasadena, CA.

5. Alberdi, R. and Khandelwal, K. (2019). "Computational Homogenization for Multiscale Nonlinear and Transient Effects in Locally Resonant Acoustic Metamaterials". Engineering Mechanics Institute (EMI2019), CalTech, Pasadena, CA.

6. Alberdi, R. and Khandelwal, K. (2018). "Topology Optimization of Periodic Elastoplastic Energy Dissipating Microstructures". 13th World Congress on Computational Mechanics (WCCM13), New York City, NY.

7. Zhang, G. and Khandelwal, K. (2018). "A Multimaterial Topology Optimization Method for Energy Absorbing Designs with Viscoelastic and Hyperelastic Materials". 13th World Congress on Computational Mechanics (WCCM13), New York City, NY.

8. Li, L., Zhang, G. and Khandelwal, K. (2018). "Failure Resistant Topology Optimization of Structures using Nonlocal Elastoplastic-Damage Model". Engineering Mechanics Institute (EMI2018), MIT, Boston, MA.

9. Zhang, G. and Khandelwal, K. (2018). "Locking Free Isogeometric Formulations for 3-D Curved Timoshenko Beams". Engineering Mechanics Institute (EMI2018), MIT, Boston, MA.

10. Alberdi, R.  and Khandelwal, K. (2018). "Computational Homogenization of Architectured Materials Undergoing Finite Deformations using RVE-Based Multiscale Models and Isogeometric Analysis". Engineering Mechanics Institute (EMI2018), MIT, Boston, MA.

11. Alberdi, R. and Khandelwal, K. (2017). "Computational Framework for Homogenization at Finite Deformation with Stability Considerations using Isogeometric Analysis". 14th U.S. National Congress on Computational Mechanics (USNCCM14), Montreal, Canada.

12. Zhang, G. and Khandelwal, K. (2017). "Topology Optimization of Incompressible Solids under Finite Deformation". 14th U.S. National Congress on Computational Mechanics (USNCCM14), Montreal, Canada.

13. Alberdi, R. and Khandelwal, K. (2017). "Computational Framework for Homogenization at Finite Deformation with Stability Considerations using Isogeometric Analysis". 14th U.S. National Congress on Computational Mechanics (USNCCM14), Montreal, Canada.

14. Zhang, G. and Khandelwal, K. (2017). "Topology Optimization of Incompressible Solids under Finite Deformation". 14th U.S. National Congress on Computational Mechanics (USNCCM14), Montreal, Canada.

15. Li, L., Zhang, G. and Khandelwal, K. (2017). "Topology Optimization of Elastoplastic Structures under Cyclic Loads". 14th U.S. National Congress on Computational Mechanics (USNCCM14), Montreal, Canada.

16. Li, L. and Khandelwal, K. (2017). “Design of Fracture Resistant Energy Absorbing Structures using Elastoplastic Topology Optimization.” Engineering Mechanics Institute (EMI2017), UC San Diego, San Diego, CA.

17. Alberdi, R. and Khandelwal, K. (2017). “Topology Optimization of Energy Absorbing Elastoplastic Structures with Rate-Dependent Behavior.” Engineering Mechanics Institute (EMI2017), UC San Diego, San Diego, CA.

18. Alberdi, R. and Khandelwal, K. (2016). “Length-scale effect on wave propagation in periodic micro-lattices.” Engineering Mechanics Institute (EMI2016), Vanderbilt University, Nashville, TN.

19. Zhang, G., Alberdi, R. and Khandelwal, K. (2016). “Analysis of three-dimensional curved beams using isogeometric approach.” Engineering Mechanics Institute (EMI2016), Vanderbilt University, Nashville, TN.

20. Li, L. and Khandelwal, K. (2016). “Topology Optimization of Geometrically Nonlinear Trusses with Critical Load Constraint.” Engineering Mechanics Institute (EMI2016), Vanderbilt University, Nashville, TN.

21. Alberdi, R. and Khandelwal, K. (2015). “Isogeometric Analysis for Dispersion Characteristics of Metamaterials.” Engineering Mechanics Institute (EMI2015), Stanford University, CA

22. Kiran, R. and Khandelwal, K. (2015). “Microvoid Elongation and Dilation Based Finite Strain Continuum Damage Model for Ductile Fracture.” Engineering Mechanics Institute (EMI2015), Stanford University, CA.

23. Kiran, R. and Khandelwal, K. (2014). "Computational Models for Ductile Fracture Prediction in Structural Engineering Applications." Procedia Materials Science. (DOI).

24. Li, L. and Khandelwal, K. (2014). "Topology Optimization of Structures: Elasticity with Microstructure." Engineering Mechanics Institute (EMI2014), MacMaster University, Hamilton, Canada.

25. Alberdi, R. and Khandelwal, K. (2014). "Robustness of Metaheuristic Algorithms for Steel Frame Optimization." Engineering Mechanics Institute (EMI2014), MacMaster University, Hamilton, Canada.

26. Kiran, R. and Khandelwal, K. (2014). "Complex Analysis for Numerical Approximation of Tangent Moduli." Engineering Mechanics Institute (EMI2014), MacMaster University, Hamilton, Canada.

27. Zhang, G., Li, L. and Khandelwal, K. (2014). "Isogeometric Analyses of Forced Vibration of Nonlinear Timoshenko Beam based on Modified Couple Stress Theory." Engineering Mechanics Institute (EMI2014), MacMaster University, Hamilton, Canada.

28. Alberdi, R. and Khandelwal, K. (2014). "Connection Topology Optimization of Steel Moment Frames using Harmony Search Method". ASCE Structures Congress 2014, Boston, MA.

29. Kiran, R. and Khandelwal, K. (2014). "A Stress Triaxiality and Lode Parameter Dependent Ductile Fracture Criterion." 17th U.S. National Congress on Theoretical & Applied Mechanics, Michigan State University, East Lansing, Michigan.

30. Kiran, R. and Khandelwal, K. (2013). "Weakly coupled models ductile fracture prediction in steels." Engineering Mechanics Institute (EMI2013) Northwestern University, Evanston, IL.

31. Li, L. and Khandelwal, K. (2013). "Evaluation of Dual methods with Second-order Derivatives for Structural Optimization." Engineering Mechanics Institute (EMI2013) Northwestern University, Evanston, IL.

32. Kiran, R. and K. Khandelwal (2013). "Ductile Fracture in ASTM A992 Steels: Experiments and Modeling." ASCE Structures Congress 2013, Pittsburg, Pennsylvania.

33. Maria, C. and Khandelwal, K. (2013). "Behavior of Steel Columns at Elevated Temperatures Including Creep Effects." ASCE Structures Congress 2013, Pittsburg, Pennsylvania.

34. Li, L. and Khandelwal, K. (2013). "Comparison of Sequential Approximation Optimization (SAO) Methods for Structural and Topology optimization." 10th World Congress on Structural and Multidisciplinary Optimization (WCSMO-10), Orlando, FL.

35. Liu, K., Khandelwal, K. and Tovar, A. (2013). "Multiscale topology optimization of structures and non-periodic cellular materials." 10th World Congress on Structural and Multidisciplinary Optimization (WCSMO-10), Orlando, FL.

36. Murren, P. and Khandelwal, K. (2013). "Optimization of Large Steel Frames Using a Design-Driven Harmony Search". ASCE Structures Congress 2013, Pittsburg, Pennsylvania.

37. Przywara, J. and K. Khandelwal (2011). "Blast Amelioration Systems: Effect on Topological Parameters on Performance of Layered Metallic-Lattice Sandwich Panels." ASCE Structures Congress 2011, Las Vegas, Nevada. (DOI).

38. Kiran, R. and K. Khandelwal (2011). "Multiscale Modeling of Ductile Fracture in Structural Steels." ASCE Structures Congress 2011, Las Vegas, Nevada.

39. Tovar, A. and K. Khandelwal (2010). "Uniqueness in linear and nonlinear topology optimization and approximate solutions." 2nd International Conference on Engineering Optimization, Lisbon, Portugal.

40. Kiran, R. and K. Khandelwal (2010). "Micromechanical Modeling of Damage Evolution in Metals." Engineering Mechanics Institute (EMI2010), Los Angeles, California.

41. Khandelwal, K. and A. Tovar (2010). "Control Based Toloplogy Optimization of Structural Systems." Engineering Mechanics Institute (EMI2010), Los Angeles, California.

42. Khandelwal, K. and A. Tovar (2010). "Hybrid Cellular Automaton: A Novel Framework for Non-Linear Topology Optimization." Structural Engineering Congress, Orlando, Florida, ASCE. (DOI).

43. Tovar, A. and K. Khandelwal (2009). "Multi-scale topology optimization of composite structures." 10th U.S. National Congress on Computational Mechanics (USNCCM-10), Columbus, Ohio.

44. Khandelwal, K. and S. El-Tawil (2009). "Micro-scale Simulation of Ductile Fracture in Steels." 10th U.S. National Congress on Computational Mechanics (USNCCM-10), Columbus, Ohio.

45. Khandelwal, K. and S. El-Tawil (2009). "Robustness of Steel frames using Pushdown Analysis Method." 10th U.S. National Congress on Computational Mechanics (USNCCM-10), Columbus, Ohio.

46. Khandelwal, K. and S. El-Tawil (2008). "Assessment of Progressive Collapse Residual Capacity Using Pushdown Analysis." Crossing Borders - Structural Engineering Congress, Vancouver, BC, Canada, ASCE. (DOI).

47. El-Tawil, S., K. Khandelwal, et al. (2007). "Macro Models for Progressive Collapse Analysis of Steel Moment Frame Buildings." Structural Engineering Research Frontiers - Structural Engineering Congress Long Beach, California, USA, ASCE. (DOI).

48. Khandelwal, K. and S. El-Tawil (2006). "Catenary Action during Collapse of Steel MRF Buildings." Structural Engineering Congress, St. Louis, Missouri, USA, ASCE. (DOI).

49. Khandelwal, K. and S. El-Tawil (2005). "Progressive Collapse of Moment Resisting Steel Frame Buildings." Structural Engineering Congress, New York, ASCE. (DOI).