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  • Users: descatia
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  1. descatia

    Assembly Remove

    How do you isolate the 2 parts after an assembly remove? I have a rectangular extruded pad, sitting on a thin circular dish, and I did the assembly remove, and it took out a circular arc of material = the thickness of the dish from the rectangular pad. Now I have 2 pieces that are separate, but...
  2. descatia

    Transformation/Circulation Pattern

    How do you skip one particular object in a circular pattern? I made an object at the 6 o'clock position, and then I made 8 instances at 45 deg, so I got objects at the 12, 1.30, 3,4.30,6, 7.30, 9, and 10.30 o'clock positions. I want to eliminate the 12 o'clock object. I looked at the "more"...
  3. descatia

    Cut View

    There is one option in Catia where you can cut a body along a line or plane, and see one half, and when you move the cutting line/plane up or down, the cut section grows or diminishes. I hve used this b4, but can't remember how to turn it on. Can somebody please help, Thanks
  4. descatia

    Update Disappears

    Has anybody had the update function vanish after a change? I changed one dimension, then exited the sketch, the part turned red, and then I looked for the little blueish update whirlwind thingy symbol in my bottom left corner of the bottom toolbar, and it was gone! I also looked in the pull down...
  5. descatia

    Hide Show

    How do you pick on a component and Hide everything else?
  6. descatia

    Insert/Assy Features/Split

    Insert/Assy Features/Split When I put a split in the above way, the wrong side disappears. How do I change what catia keeps and what it throws away? I want to keep what is presently deleted, and I want to delete the other side
  7. descatia

    Assembly Features Remove

    Hello, I have an assembly with many components. I have used one (same) component twice in 2 different places, one in the front, and once more at the back. Now I put an assembly remove operation, where I am removing anothr body from the component in the back only, but I get this remove part...
  8. descatia

    catproduct and catpart, what is the difference

    Hello, In very simple terms, what is the difference between a CatProduct and a CatPart? If I am designing an internal combustion engine, then is the engine the CatProduct and the piston, crankshaft etc are they CatParts?
  9. descatia

    Parameter tutorial or Hint.

    Can somebody please give me a link to a good basic level tutorial on parameters.I am designing a cylindrical tank, and I want the radius or diameter of the tank to be a parameter, so I can easily make the cylinder radius or diameter change along with all its mating parts large or small
  10. descatia

    Solution 106 Nastran

    Does anybody know how to input a response spectrum into a solution 106 modal analysis.
  11. descatia

    Slightly off topic

    Hello, Does anybody know what has happened to the Energy (wind, solar) conversion engineering Forum? It seems to be dead. No answer
  12. descatia

    Modal analysis and stresses

    I know how to do a modal analysis both in FE and in simple cases by hand. How does one calculate the stresses induced in a structure due to vibration. What is a forcing function and how is that used in the FE model? Can somebody please show me a few threads or papers or books that show how to do...
  13. descatia

    Contact Constraint v/s Offset Constraint

    What is the difference between the contact constraint and the offset constraint? It seems to me that the contact constraint is simply a subset case of the offset constraint with 0 (zero) offset.
  14. descatia

    Yo What happened to my posts on this forum??

    Yo What happened to my posts on this forum?? Does anybody know? Mr. Moderator where are you? All the posts between Jul and Oct have vanished
  15. descatia

    How to make end loops on a helical tension spring

    Hello, I know how to make a helical spring with a helix, and then a rib of certain cross section along the helix, but I have a hard time making the end loops. I tried projecting on a plane, but the helix end disappears, and becomes a full circle. The I can put in a corner of the desired radius...
  16. descatia

    Unable to pick

    I defined a sketch plane by 2 lines, went into the sketcher, and I tried to put a radius between these 2 lines. Now I cannot pick them. When I hover over the lines, I get that pesky black circle with the minus sign in it. I tried the sketch analysis tool, and it is empty. Can anyone please...
  17. descatia

    Warm Start ?

    What is a warm start? I know that it goes directly to product design, but what does that have to do with warm?
  18. descatia

    Hand v/s Arrow

    On the product tree, when you hover close to the + sign, the hand changes to arrow. Also if you click slightly to the right of the + sign, the entire background becomes dark, and then its almost impossible to get back to the original setting. Can anyone please shed some light on this?
  19. descatia

    Undo last zoom

    Does catia have a undo last zoom command? That is very useful when one has to zoom in to pick up some small feature, and then get back to the previous zoom. The simple undo last command does not help here.
  20. descatia

    Vertex no longer recognized

    Hello, I created a point using xyx coordinates, then I created sketching planes at that point, and then I created a sketch. Nothing fancy, just a straight line and a tangent half circle. Something like a question make shape (?) I want to create a rib along this centerline. So I created a small...

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