Visualizing LS-OPT®Sampling points in d3VIEW

LS-OPT offers several sampling schemes among which D-OPT, Space filling and Latin Hypercube are among the popular schemes. Using d3VIEW’s LS-OPT output parser, the three schemes were used to generate experiments for variables that ranged from a mininum of 0.0 and a maximum of 1.0. Following images compare the distribution of the samples for all…

November 6, 2018 | by

LS-DYNA Conference 2014

The 13th LS-DYNA  conference was the largest conference which was attended by over 650 attendees from around the world. You can find the papers from the conference here   Following are some pictures from the hugely successful LS-DYNA conference recently held in Dearborn, Detroit. 1. Dr. John Hallquist, President and CEO of LSTC,  presenting the latest…

June 13, 2014 | by

Commenting LS-DYNA Keyword Blocks

A clever way to comment out blocks of keyword can be easily achieved using the *COMMENT keyword. Example: In the following example, the keyword *MAT_ELASTIC and all cards until the next keyword is commented out by simply adding a *COMMENT in front of it. *MAT_ELASTIC 1, 1.0e-9, 210.00, 0.3 *SOME_OTHER_KEYWORD …. …. to *COMMENT*MAT_ELASTIC 1,…

April 24, 2014 | by

Parameter NLOC in *SECTION_SHELL

NLOC value (default = 0 ) allows you to specify an offset of the reference surface from the nodal surface. Image below illustrates the significance of this value.

April 23, 2014 | by

Cohesive Element Timestep

Cohesive material models are well suited for representing the behavior of structural and non-structural adhesives that is now increasingly used. To accommodate extreme dimensions of the element such as zero volume or near-zero volume, the timestep of the Cohesive element is based on the characteristic stiffness and mass of the element instead of the characteristic…

March 11, 2014 | by