Unloading in MAT_FABRIC (MAT_034)
Nature by Numbers
Shell, Solid and Beam Formulations for Explicit and Implicit
Modeling rigid bodies
Happy New Year !
Significance of IGAP Parameter in *CONTACT in Implicit Analyses
Marsha Victory, Thank You For Your Blog Hosting Sponshorship !
Boundary prescribed motion and Contact
LS-DYNA 971 Release 4 Manual Available for Download
LS-OPT 4.0 is now released.
Mass calculations for Discrete Beams
Discrete variables in LS-OPT
Fast Debug of LS-OPT driven Optimization Problems
Free Limited LS-DYNA Version to Assist Displaced Workers
Multi Solver Run in LS-OPT
Packing LS-DYNA Input Files for Easy Distribution (v1.1a)
Damage modeling using GURSON
Characterizing plasticity material models using data from test
Optimizing monotonically increasing load curves
Packing LS-DYNA Input Files
Termination due to Added Mass
971 Release 3.2 is Now Available
Killing LS-DYNA Jobs
Nice article on Inertia Tensors
10th LS-DYNA Users Conference
Curve Offset in LS-DYNA
Initially in Contact – TIEBREAK contacts
New LS-OPT Support Site
Ten Recommendations to Improve Contact Stability for Explicit and Implicit Simulations
LSDYNA Simulation Notes
Quaternions for 3D Graphics
SLURM: A Highly Scalable Resource Manager – Free and OpenSource
Internal Contact for Solids using *SET_SEGMENT_GENERAL
TIEBREAK Example
RCB Decomposition and LS-DYNA Built-In Intelligence
Interior Contact for Foams, Honeycombs and Rubbers to eliminate Negative Volumes.
Reduce D3PLOT File Size for RigidBodies
Improving Load Balance in MPP-LSDYNA for ALE and SPH
D3VIEW 2.0 Beta Released
Timestep Calculation
Non-Structural-Mass (NSM) Lumping in LS-DYNA
Yield Stress, Strain-rate Dependency in MAT_024 and the significance of SIGY
d3View v2.0beta – LS-DYNA Simulation Data Manager – Releasing Shortly
Force Deflection to Effective Stress vs Effective Strain
Initializing Velocity
Simulation “Pack” to Perform Design or Numerical Variable Studies
Tiebreak Example # 1
*DEFINE_CONTACT_VOLUME for *SET_{OPTION}_GENERAL
MIT Open Course Ware
Class Notes
2007 Japan LS-DYNA Conference Summary By Sven Holcombe
Membrane Thinning in Shell Elements
Eliminating Contact Force Interference in Spotweld Forces Using SPOTTHIN in *CONTROL_CONTACT
Contact and Global Timestep
Shell Element Stress and Strain Output to D3PLOT – A Brief Overview
Blog Statistics – Thank You!
Coverage of Japan LS-DYNA Conference – Courtesy Sven Holcombe
Makefile – Is This Just for Programmers?
Subsystem Swapping Made Easy with *SET_NODE_GENERAL, *SET_SEGMENT_GENERAL, and *INCLUDE_TRANSFORM
iPhone Support
Automatic Tiebreak – Some Quick Notes
Strains and Stress in NonLinear Finite Element Method
More on LSCASEDRIVER
Encryption Comes to LS-DYNA v971 !
Sense-Switch Controls for Interacting with Running LS-DYNA Jobs
Interactively Terminating LS-DYNA Jobs
Features Every LS-DYNA Simulation Must Have
Determining Prony Series Constants for Modeling Creep and Relaxation
Energy Output to D3PLOT Files
Accelerometer Mass
Nodal Time History in Local Coordinate System
Mesh Refinement Studies Involving Shell Elements
Consolidating Multiple Contact Definitions to a Single Contact
Principal Stress Calculator for Shell Elements in DYNAIN File
LSTC’s New and Improved Rigid Hybrid III 50th Percentile Dummy for LS-DYNA Simulations
History of LS-DYNA – By Dr. David Benson
Interface Binary Output for Single Surface Contact
True Total Strain to Effective Plastic Strain
Speeding up numerical studies using Discrete Optimization in LS-OPT
Sinusoidal Motion using *DEFINE_CURVE_FUNCTION
Time Integration, Characteristic Length, and Mass Scaling
Free LSTC USSID
Stress Relaxation in Viscoelastic Material Models
SPH Contact Definitions
Interface Component Analysis
MultiStage Dependent or Independent Simulations using *CASE
Modeling Off-Axis Dependent Yield Stress for Honeycombs using MAT_126
Choice of Rigidwall Treatment
Best Practices for Building Flexible Models with Reduced File Sizes
Transient Removal of Initial Penetrations Using DPRFAC Parameter for SOFT=2 Contacts
Load Balance Checker for MPP LS-DYNA
MPP and Deformable to Rigid Switching
Load Balance in FMVSS 207/210 Simulations for MPP
Initial Velocity in Local Coordinate System
Curve Extrapolation
Bulk Viscosity for Shells and Solids in LS-DYNA
Speeding up Simulations for Focused Studies
Prescribing Motion to a Rigidbody with Respect to a Local System
Monitoring Incremental Elapsed Time as a Function of Simulation Time
General Guidelines for Crash Analysis in LS-DYNA
A Few “Words” on Memory Settings in LS-DYNA
Best Practices for Modeling Recoverable Low Density Foams – By Example
Storing Re-Usable Models in a Central Location with *INCLUDE_PATH
Simulation Based Product Design Using LS-DYNA – Single Code & Single Model Benefits
Implicit Dynamics – Now with Birth, Death, and Burial Properties
Overview of Mass-Scaling in LS-DYNA
Identifying Problem Areas for Poorly Converging Implicit Solutions
Use of *SENSOR in LS-DYNA 971
LS-DYNA Simulation Template
Ensuring Stable, Robust, and Accurate LS-DYNA Models