David Harra
Posts
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Answered
Model Issues with Ascans
I am wondering if anyone can help me make sense of my model. I believe my model to be set up fine, but the results seem to say different. The geometry of my model looks as below.The inspection I a...
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FMC Model Help
HiI am running an FMC model in Onscale using 32 elements using the batch control. Every time the simulation goes onto the next element OnScale has to load all the material parameters again for ev...
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When to implement Rayleigh damping
I was wondering when to use Rayleigh damping when modelling. I am simulating Titanium grain models and have been using the following damping to my model, rdmp titan $freqdamp db 0.3 1.2 1e+06 1 0.0...
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Can't find material interface
I have removed all the water boundaries around my model so it is just air boundaries around all 4 edges of the domain.I am trying to simulate a plane wave across the length of the material boundary...
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Shear Wave Only Model
I am looking to generate shear waves only to study the effects of shear waves within my Titanium microstructure. Just wondering if OnScale has this capability?ThanksDave :)
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Image not plotting in OnScale Correctly
I am having an issue plotting my image as it is looking very strange. I am using the same method I always use. I plot both in Matlab and Onscale and they always look like they should. This is my ma...
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Changing Frequency causing Error?
Hi everyone.I am wondering why the arrival times for my signals change when I change the frequency. Everything else is kept the same and I am only changing the excitation frequency. I am simulatin...
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Using Correct Damping in Model
Hi everyone.I am simulating ultrasound through Titanium grain structure and to get an accurate representation of how the wave attenuates through the material, I need to consider the damping of the ...
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Assigning correct properties to Grain model
I am simulating ultrasound through grain data. Each grain is assigned a rotation by means of Euler Angles. I have a few questions as I am not confident my model is doing what I want it to do. 1) E...
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Debugging help
Hi teamI have a model set up to inspect the microstructure of titanium and there is definitely some issues when observing the A-scan from the receiver and pulse echo response. For my first test cas...