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  1. whitejd

    Local Coordinate System Options for Shingled Cone Structure

    I am trying to figure out how to achieve a local coordinate system in an ANSYS model for use with an orthotropic material definition. The meshed geometry is a thick-walled cone (solid elements). I'd like to project the global cylindrical CS to each element (its z-axis is correlated with cone...
  2. whitejd

    NX Nastran Surface-to-Surface Gluing in Frequency Extraction

    I am using NX NASTRAN's glue element approach for connecting element surfaces with dissimilar meshes. They seem to be working out well in static stress models, but for unconstrained frequency extraction models I am having a lot of trouble getting the necessary 6 rigid body modal frequencies of...
  3. whitejd

    NASTRAN Surface-to-Surface Gluing (AKA Glue Elements)

    Anybody have experience with NASTRAN's glue element approach of connecting surfaces with dissimilar meshes? They seem to be working out well in static stress models, but for dynamic models, I am having a lot of trouble getting 6 rigid body modes. I am working with shell elements, and some of...
  4. whitejd

    Rigid Body Orientation-Dependent Concentrated Load in Explicit

    Hello forum. I'm beyond stumped. Maybe there is an ABAQUS guru out there that can help solve my problem. I have modeled a geometrically axisymmetric body in ABAQUS/Explicit. Please picture a conventional projectile if you will in 2D (XY) space, and assume it is rigid. It is free to...
  5. whitejd

    Transient pressure history mapping in /Explicit

    Hello All. I have a transient pressure history extracted from results of a third party analysis package at say 1000 discrete points on a flat surface. I'd like to replicate the pressure distribution history on a coincident mesh in /Explicit. The nodal spacing in the FEA mesh is notably...
  6. whitejd

    Torque Coefficient for Anaerobic Threadlocker on a Steel Fastener

    Does anybody know if the use of a acetate-based spray-on threadlocker primer has any substantial impact on the torque coefficient of a steel fastener on which Loctite 242 threadlocker has been subsequently applied? My concern is in the degreasing effects, removing some of the dry film lube that...

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