ReMark Posted January 30, 2015 Share Posted January 30, 2015 (edited) I don't understand why you would want to do that. When have you ever seen a spillway in real life that had no thickness? OK...you asked for it. First EXPLODE your 3D solid. Then use the CONVTOSURFACE command and select your objects. Now everything will be treated as a surface. Erase what you don't need and keep the remainder. Edited January 30, 2015 by ReMark Quote Link to comment Share on other sites More sharing options...
ReMark Posted January 30, 2015 Share Posted January 30, 2015 Here is the sequence I used. Far left is a 3D solid while on the far right is four surfaces. Explode the 3D solid and the result will be Regions. Use the CONVTOSURFACE command on the regions and you'll get a whole lot of surfaces. Carefully delete the surfaces you don't want/need and you are left with the result seen in red. There you go. Now its your turn. Good luck. Quote Link to comment Share on other sites More sharing options...
hamidciv Posted January 30, 2015 Author Share Posted January 30, 2015 dear remark , very thanks for spending time for me, but unfortunately my mean is not,Based on your statements finally we have one surface, while i want volume, my mean exactly Shown at the bottom. Thank you for your follow up answer my question Quote Link to comment Share on other sites More sharing options...
ReMark Posted January 30, 2015 Share Posted January 30, 2015 You seem to keep changing your mind about what you want. Volume can be ascertained by running the MASSPROP command on a 3D solid. Quote Link to comment Share on other sites More sharing options...
hamidciv Posted January 30, 2015 Author Share Posted January 30, 2015 dear remark if your possible , please explained about So that you draw, can you explained like above post in form step by step. thanks very much Quote Link to comment Share on other sites More sharing options...
ReMark Posted January 30, 2015 Share Posted January 30, 2015 Why are we back on this? I thought you wanted the volume of the water behind the dam? You definitely have me confused. Quote Link to comment Share on other sites More sharing options...
ReMark Posted January 30, 2015 Share Posted January 30, 2015 dear remark if your possible , please explained about So that you draw, can you explained like above post in form step by step.thanks very much[ATTACH=CONFIG]52607[/ATTACH] I drew the face of the dam as a 2D profile using a single continuous polyline then extruded it. Then I drew the 2D profile of the spillway, again as a single continuous polyline, and extruded that as well. I could have drawn both using lines and arcs or a combination of lines, arcs, polylines and even splines then used the PressPull command to give them a width. Both methods work just as well. Pick a method that works best for you. Quote Link to comment Share on other sites More sharing options...
hamidciv Posted January 30, 2015 Author Share Posted January 30, 2015 ok thanks a lot dear remark Quote Link to comment Share on other sites More sharing options...
lrm Posted January 31, 2015 Share Posted January 31, 2015 ReMark, I think the OP needs a single solid that represents the water so that he can use ANSYS (a finite element analysis program) to do "flow field" analysis in the spillway and flip bucket, the blue shape in your drawing. Similarly, to do a CFD ( computational fluid dynamics) analysis with Inventor you would model the void of, for example, a manifold and not the actual manifold structure. Quote Link to comment Share on other sites More sharing options...
ReMark Posted January 31, 2015 Share Posted January 31, 2015 Well being that I use plain AutoCAD and mainly create all my 3D objects as solids I guess I'm left with MASSPROP as the way to go? Quote Link to comment Share on other sites More sharing options...
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