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  1. JamesEtch

    Finite Elements in Spherical Co-ordinates

    Dear All, I am interested to know of any literature available that details the derivation of a finite element in spherical curvelinear co-ordinates. Specifically I am interested in elements for potential problems such as heat conduction. I found a nice paper which developed finite elements in...
  2. JamesEtch

    Surface Emissivity Values etc.

    Hi There. I am currently in the process of writing some simple radiation heat transfer analysis software. I was wondering if anyone could reccommend a good source for obtaining values of surface emissivity etc. By searching for emissivity on this site I have found reference to a good link...
  3. JamesEtch

    Monte Carlo Ray Trace Simulation

    Thanks for your response. I didn't realise this book covered the topic. If its not too much trouble could you tell me if the Siegel book covers the MCRT method in much detail? I might buy this book as it is much cheaper than the Mahan book. Thanks for your help, James etchells
  4. JamesEtch

    Monte Carlo Ray Trace Simulation

    Hi there. I am trying to model a radiation heat transfer problem using the Monte Carlo Ray Trace method. I have a PhD paper which gives some insight into this, however, I do not have access to Mahan’s book ‘Radiation Heat Transfer: A Statistical Approach’ detailing this method (Only 4 libraries...
  5. JamesEtch

    Wind Tunnel Ground Plane Boundary Layer

    Hello there. I'm using a small open jet wind tunnel in order to test 1/10 scale models of a solar powered car. I have been investigating the performance of the cars at yaw angles and have obtained some pretty strange results. One of my theorys is that the cause could be the ground plane boundary...
  6. JamesEtch

    Wind Tunnel Vibration

    Hello there. I am currently using a small open jet wind tunnel to test 1/10 scale models of a solar powered car. Unfortunatly the flow quality from the wind tunnel is poor and so considerable vibration of the models and the force balance used is noticed. The vibration seems to be reasonably...
  7. JamesEtch

    Problems with Join Feature

    Hi there, I am having big problems trying to join two components in an assembly using the join feature. The components are quite complex and started life as parasolid models generated by a CFD program. The parts are a fighter jet style bubble canopy and a car shape. I have succeded in joining...
  8. JamesEtch

    Entering dimensions into design table

    Absolubtly bang on, the dimensions had been entered earier on in the table by accident, thanks very much.
  9. JamesEtch

    Entering dimensions into design table

    Hi there, I am currently working on a part that uses a large design table. It has 20 parrallel planes offset from each other and a sketch with 3 dimensions in each plane. The position of the plane and also the three sketch dimensions are entered into the table for each plane. My problem is that...
  10. JamesEtch

    Linking offset planes to design table

    Hi there, I would be grateful if anyone had any help on this issue. I wish to insert an number of planes offset to plane 1 in a solidworks part. Is there any way to link the offset distance of the planes to values in the design table I have created? At the moment I just manually insert the...
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