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Latest articles
LS-Prepost on Mac !
LS-PrePost development version 3.2 is now released for Macs. Below is a screenshot of LS-PrePost running on a MacBook Pro. You can download it Here Click …
Oasys 4th LS-DYNA Update Meeting in Pune and Bangalore
I will be attending the upcoming LS-DYNA Update meeting in Pune (May 3, 2011) and Bangalore (May 5, 2011). You can find more information at LS-DYNA Update …
Viewing Contact Frictional Energy
When friction is enabled in contact treatment using static or dynamic fricition coefficients (FS, FD in *CONTACT), the energy dissipated due to friction …
Tensile failure in Low Density Foams
When modeling low-density foams, it is important to consider potential failure under tensile loading. In LS-DYNA, the most popular constitutive material …
Hybrid LS-DYNA
With the recent growth of multi-core chips, scalibility of pure MPP LS-DYNA beyond 128 cores has shown degration due to several factors including latency …
Mat224 Keyword Manual Pages
Several of you requested the manual pages for the newly developed tabulated Johnson-Cook constitutive law now labeled as MAT_224. Here are the three pages …
Shell Local Material Axis Definition for Orthotropic Material
Most orthotropic material rely on the parameter AOPT to define the change/update the default material axes defined by LS-DYNA. The default axis for every …
LS-DYNA Material Selector
Finding a good material law can sometimes be a daunting task even for experienced users. To facilitate a quick review of possible material laws for a given …
LS-DYNA and D3VIEW helps BYU Students build PACE F1 Car
Over six months ago, two students, Rob Moncur, pursuing his MS, and Satyan Chandra, pursuing his UnderGraduate Studies, in Brigham Young University (BYU) …
Experimental Data Management inside d3VIEW
As a simulation engineer, we always like quick access to experimental data. Over the years, with a powerful framework that was developed within d3VIEW, …
Thick shells in contact
During one of my recent trips, a question was raised about how LS-DYNA treats thick shells in contact in particular if the contact would detect the surface …
Visualizing Dynamic Relaxation Convergence
Understanding the rate of convergence when employing Explicit Dynamic Relaxation can be very useful to track model sensitivity and to solve convergence …