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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 ...
3
Apr

Over Designing Fiber Reinforced Plastics

Attend our seminar in Southern California on April 23, 3013 Attend training in Indiana on May 30, 2013 Imagine you have designed a part, only to find out later the predicted maximum stresses are in fact lower. It’s too late to make any design modifications, and now your part is produced for a maximum stress ...
28
Mar

44 Hours for a Conventional Fatigue Job. 1 Hour in MSC Nastran Embedded Fatigue. How fast will your Fatigue Job be with MSC Nastran?

Learn about MSC Nastran Embedded Fatigue Topic: MSC Nastran 2013 will be coming out with a new capability Embedded Fatigue that can significantly reduce your fatigue job times. Here is a quick FAQ. What is MSC Nastran Embedded Fatigue? This capability makes fatigue calculations possible within the FEA solver. Traditionally fatigue analysis occurs after and ...
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