VIP20
本课程属于：001-LS-DYNA Automotive Crash Simulation Engineering English Technical Courses · 共 20 门相关课程，组合学习更完整。
查看所属VIP全部课程 →
← 返回所属目录 咨询 / 购买

LS-DYNA High-Fidelity Contact and Impact Modeling

30 Chapters
View Course Samples Online
01
High-fidelity contact and impact modeling in LS-DYNA
scope, simulation objectives, and engineering drivers.
High-fidelitymodeling
02
Contact mechanics fundamentals for LS-DYNA
normal contact, friction, penetration, and energy balance.
mechanicsLS-DYNA
03
LS-DYNA contact algorithm landscape
penalty, Lagrange, and constraint-based methods for impact problems.
LS-DYNAalgorithm
04
Penalty-based contact in LS-DYNA
stiffness scaling, hourglass control, and stability for crash and drop simulations.
Penalty-basedLS-DYNA
05
Node-to-surface and surface-to-surface contact formulations
selection criteria and accuracy trade-offs.
Node-to-surfacesurface-to-surface
06
Single surface contact and automatic general contact
setup, behavior, and common pitfalls in impact models.
automaticbehavior
07
Contact thickness, offset, and shell element considerations for accurate impact response.
Contact thickness, offset, and shell element considerations for accurate impact response.
thicknessconsiderations
08
Friction modeling in LS-DYNA
Coulomb, static-kinetic, and temperature-dependent friction for impact and sliding.
Frictionmodeling
09
Contact damping and viscous regularization
controlling oscillation and improving convergence in explicit dynamics.
regularizationcontrolling
10
Soft constraint and tied contact
modeling bonded joints, welds, and adhesive interfaces under impact.
constraintmodeling
11
Eroding contact and element deletion
maintaining contact fidelity during material failure and fragmentation.
deletionmaintaining
12
Self-contact and crashfront modeling
airbag folding, sheet metal folding, and debris interaction.
Self-contactcrashfront
13
Contact for shell and solid element combinations
edge-to-edge, edge-to-surface, and solid-to-solid scenarios.
combinationsedge-to-edge
14
Rigid body contact and rigid wall modeling
impactor, drop tower, and crash barrier setups.
modelingimpactor
15
Contact in high-velocity impact and penetration
erosion, adaptive remeshing, and SPH coupling.
high-velocitypenetration
16
Contact for composite materials
delamination, cohesive zone modeling, and tiebreak contact.
compositematerials
17
Thermal-mechanical contact
frictional heating, thermal contact conductance, and coupled analysis.
Thermal-mechanicalfrictional
18
Contact in blast and explosion simulations
ALE, S-ALE, and fluid-structure interaction with contact.
explosionsimulations
19
Contact in crashworthiness
full vehicle frontal, side, and rear impact models with contact definitions.
crashworthinessdefinitions
20
Contact in drop test simulations
consumer electronics, packaging, and durability assessment.
simulationsconsumer
21
Contact in metal forming and stamping
springback, draw beads, and tool-sheet interaction.
stampingspringback
22
Contact in biomechanics and human body models
helmet, protective gear, and injury prediction.
biomechanicsprotective
23
Contact in additive manufacturing and powder bed simulation
particle contact and compaction.
additivemanufacturing
24
Contact in robotics and multibody dynamics
grasping, locomotion, and flexible body impact.
roboticsmultibody
25
Contact parameter calibration and validation
using test data for friction, damping, and stiffness.
parametercalibration
26
Contact diagnostics in LS-DYNA
penetration checks, contact energy, and interface force output.
diagnosticsLS-DYNA
27
Troubleshooting contact instabilities
negative volume, excessive penetration, and contact chatter.
Troubleshootinginstabilities
28
Performance optimization for contact-intensive models
search algorithms, bucket sorting, and MPP parallelization.
Performanceoptimization
29
Advanced contact topics
cohesive contact, beam-to-beam contact, and user-defined contact models.
Advancedcohesive
30
Best practices and workflow for high-fidelity contact and impact modeling in LS-DYNA
case studies and lessons learned.
practicesworkflow