# Simulating Reality, Delivering Certainty

15
Apr

## Lightweight, High Performance Composites – How to Account for the Uncertainty in Composite Material Properties

Question: How can I account for the uncertainty in composite material properties? Answer: You can perform a Stochastic Analysis. I've quoted a description from Andrew Main's Use of Finite Element Analysis to Create Robust Composite Designs – Going Beyond First Ply Failure. Stochastic analysis is not a method that was developed for composites but the large …

12
Apr

Join us in Chicago, IL (May 14) or Boston, MA (May 21) for a free hands-on workshop on Adams/Machinery. More information can be found here >> http://pages.mscsoftware.com/adams-machinery.html The original article was written by Evan Yares, Senior Editor & Analyst, Software & Published on Design World Online Adams/Machinery makes analyst-level simulation practical for the rest of …

9
Apr

## Lightweight, High Performance Composites – Using FEA to Predict the Gradual Failure of Adhesives

Question: How can FEA be used to model the gradual failure of adhesives in composites? Answer: You use the cohesive zone modeling technique. Here is quick explanation of CZM from Andrew Main’s Use of Finite Element Analysis to Create Robust Composite Designs – Going Beyond First Ply Failure. Unlike virtual crack closure, cohesive zone modeling …

5
Apr

## Lightweight, High Performance Composites – Predicting crack propagation of adhesives and resins

Question: How can FEA be used to predict the crack propagation of adhesives and resins in composites? Answer: You use the virtual crack closure technique. These methods work well for brittle adhesives, but if you have more flexible adhesives, use the cohesive zone modeling technique.  Here is quick explanation of VCCT from Andrew Main’s Use of …

4
Apr

## Patran Tip – Displaying IDs: Solid 1.4, Surface 4.2, etc.

Question: I need to apply a pressure to face Solid 1.4, how can I display this ID on the viewport? Answer: Go to Utilities>Display>Geometry Free Faces/Edges… and check on Free Faces, Free Edges, or Free Vert. and Face Label. Want to expand your knowledge? Watch a SimAcademy webinar. SimAcademy webinars teach you how to use …

4
Apr

## Patran Tip – Identify Entity IDs On-the-fly

Question: How do I get ID numbers to appear on an entity as I move my mouse over them? Answer: Go to Preferences>Picking and check on “Label Highlighting.” Whenever you hover over an entity, the ID becomes visible. Want to expand your knowledge? Watch a SimAcademy webinar. SimAcademy webinars teach you how to use the …