An International Poster Conference (IC-3MS) will be held during the Short Course nearby. See details in the General Information page.
- History of bar technology.
- Exercise on signal processing: from bar signals to stress vs. strain & strain rate vs. strain curves.
- Exercise on designing the Split Hopkinson Bar (SHB) Experiment Using the Strain Rate Equation.
- Exercise on verifying the results of the SHB experiment using the Strain Rate Equation.
- Exercise on dispersion correction using Shin's Pochhammer-Chree equation solver.
- Exercise on calibrating co, nu, E, and rho of the bar and frequency analysis.
- Friction correction in SHPB experiment.
- SHBs with dissimilar bar materials for soft materials.
- Dynamic increase factor of geomaterials.
- Challenges in using high-strain-rate torsion test results to calibrate constitutive and fracture models.
- Current status and future directions in SHB technology.
- Framework of the Johnson–Cook (JC) constitutive model.
- Realities of more complicated constitutive models.
- Meaning of the reference strain rate and reference temperature.
- Realities and Illusions of high-temperature testing.
- Managing the Inelastic Heat Fraction (Taylor–Quinney Coefficient).
- Exercise on the calibration of A, B, n, C & m.
- Describing the stress upturn phenomenon by modifying the JC strain rate factor.
- Voce-Polynomial and Ludwik Polynomial models under JC framework and their fortran user subroutines.
- Effect of necking in a tensile test on equivalent, true, and engineering stress–strain curves.
- Importance of accurate tensile test on damage–fracture model calibration (the topic in Day 3).
- Inverse calibration of C & m using the 'SHPB' test data.
- How should we handle the A, B, n, C, and m values for a large element (approximately 1.5 cm) in large-scale structural analyses?
- Current status and future directions in strain rate-dependent constitutive models and their calibration.
- Classification of fracture models.
- Framework of the Johnson–Cook damage-fracture model and Bao–Wierzbicki model.
- Detailed comparisons of (1) the original JC damage–fracture model, (2) Mat 15 and (3) GISSMO in LS-DYNA, and (4) Progressive Damage–Fracture Model in ABAQUS under the damage initiation types of JC, ductile, shear, and MSDFLD.
- Realities of coupled damage models for shell and bulk structures.
- Accounting for the variable nature of triaxiality during loading when calibrating D1–D3.
- Exercise on the calibration of D1, D2, D3, D4, & D5.
- Coupling scheme for materials exhibiting non-zero fracture strength and its calibration.
- The necessity of modifying the first JC factor, involving D1–D3, to realistically simulate penetration/protection phenomena under conditions of highly negative triaxiality.
- Inverse calibration of D4 & D5 using the 'SHPB' test data.
- How should we handle the D1–D5 values for a large element (approximately 1.5 cm) in large-scale structural analyses?
- Current status and future directions in strain rate-dependent damage-fracture models and their calibration.
09:00–09:20 Registration (08:30 – 09:20 for Day 1)
09:20–12:00 Morning session with Q&A and one coffee break.
12:00–13:20 Lunch break (12:50–13:20: one or two oral presentations by course attendees as activities in the IC-3MS).
13:20–17:40 Afternoon session with Q&A and two coffee breaks.
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