![]() ![]() Select File > Preferences, enter a new value for DXF arc discretizations, and select OK. This value can be customized by the user if desired, in the Preferences dialog. However, if you import a DXF file which uses true arcs to define boundaries, Settle3 will automatically convert arcs into a series of linear segments, which approximate the arc.īy default, Settle3 will convert an arc from a DXF file into 16 line segments. All boundaries in Settle3 are made up of linear segments connected by vertices. True circular arcs CANNOT be used to define boundaries in Settle3. If you are using AutoCAD to create DXF files for import into Settle3, use the following conventions for layering and entity type: This capability elastically corrects the EOS pressure (typically isotropic) for deviatoric pressure coupling for non-isotropic = CTH is to produce an accurate forecast of the flyer plate velocity under different launch conditions.If you are having problems trying to import a DXF file into Settle3, make sure you read all of the information below. The coupling methods are specific to shock physics where the Equation of State (EOS) is used with a nonisotropic constitutive model. Finally, non-isotropic coupling methods have been investigated. In addition, the layering capability also allows a user to model interlaminar mechanisms. ![]() This capability is designed for computational speed and modeling efficiency when studying composite material applications. This allows users to explicitly model each lamina of a composite without the overhead of modeling each lamina as a separate material to represent a laminate composite. ![]() This new insertion method makes it possible to add a layering capability to a shock physics hydrocode. A new method for inserting non-isotropic materials was developed using Diatom capabilities. The enhancements to CTH are intended to address various composite material applications such as armor systems, rocket motor cases, etc. The enhancements provide the users and developers with greatly enhanced capabilities to address non-isotropic materials and their constitutive model development. ![]() The composite material research and development performed over the last year has greatly enhanced the capabilities of CTH for non-isotropic materials. ![]()
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