1. Dosrad – Application Case E-mail: engineering.software@astrium.eads.netengineering.software@astrium.eads.net Web: http://www.systema.astrium.eads.net/http://www.systema.astrium.eads.net/

2. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Introduction  The purpose of these exercises is to:  Construct a simple geometrical model,  Set radiations properties,  Make a simple radiation analysis.

3. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Equipment modelling  Load the Solo_SYSEXP model in the SYSTEMA modeller:  Create an object Equipment:  Box –Size: (0.5, 0.3, 0.3) –Location: P1 (0., 0., 0.025)  Create an object Component in the Equipment:  Box –Size: (0.01, 0.01, 0.01) –Location: P1 (0.2, 0.2, 0.025)

4. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. DOSRAD properties  Once the geometrical model has been created, the mass properties have to be defined  To specify the Dosrad properties  Select the object on which you want to define properties  Select Dosrad tab  Enter the values in the menu  Thickness  Material

5. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. SOLO: Radiations properties  Shield: thickness: 4 mm, material: aluminium 6061  Main body: thickness: 0.5 mm, material: aluminium 6061  Tank: thickness: 1.5 mm, material: TA6V  Equipment: thickness: 3 mm, material: aluminium 6061

6. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Display radiation properties  To display the properties  Select the menu to configure the display  Select entity configuration  Select density select thickness

7. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Create bounding box  Select meshing tab  File / new  Select the equipment  Create specific item / bounding box  Select the created bounding box / double click  Set the the meshing 5 x 5 x 5  Select the component  Create specific item / computation point  Save

8. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Launch the Bounding box computation  Select the processing tab  File / new  Double click on bounding box (upper left)  Double click on current mission in the processing diagram  Select meshing  Select solo.sysmsh  Double click on dose in the processing diagram  Select solo_geo.dose  Doucle click on bounding box in thye processing diagram  Set the number of rays to 4000  Click on run  Save the process: solo_bounding.sysprc

9. This document is the property of Astrium. It shall not be communicated to third parties without prior written agreement. Its content shall not be disclosed. All rights reserved. Launch the Bounding box computation  To display the results  Double click on solo.box.out