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Found 13 results

  1. HyperView単体での板厚の3次元表示は現在のところ出来ませんが、HyperMesh DesktopとHyperViewを組み合わせることで、板厚の3次元表示(立体表示)が可能です。 HyperMesh_Contour_and_ThicknessVisualiztion.mp4
  2. I have problem with thickness assign, i have only one mid- surface that comes from an assembly and i wanna assign different thicknesses to componets of this surfaces. is there a way to do it ? i created to different properties on my model folder.
  3. シェル要素に対し、オフセットした板厚を設定する方法です。 ※User Profile = OptiStructの場合 プロパティのエンティティエディタか、Card Editから "ZOFFS" オプションで設定します。     下記2通りの設定方法があります。   ◎REAL    オフセット量を数値で入力します。   ◎SURFACE    TOP または BOTTOMを選択します。
  4. 入力ファイルのシェルメッシュの板厚値でコンター表示するには、 Derived Resultsを使用すると可能です。
  5. HyperMeshのComparison機能を用いてメッシュ形状の比較は出来ますが、板厚やマテリアル情報なども含めて比較したい場合は、HVVH(HyperWorks Verification and Validation Harness)ツールを用いると便利です。 一般のテキストエディタの場合、記述行が違ったり、各値の右詰/左詰が異なるだけでも違いがあると判定されますが、今回ご紹介するツールを用いるとそれらを無視した比較が可能です。 なお、当機能の利用には、HyperWorks Desktop2017.2.3以上のアップデートが必要です。 ①Windowsのスタート⇒HyperWorks⇒Toolsから、HyperWorks Verification and Validation Harnessを起動します。 ②PVVタブ⇒FE Model⇒FE Model comparison機能で、各項目を設定します。 ③ボタンを押すと、比較が開始されます。 ④Model Compareに、Passと表示された場合は差分がありません。Failと表示された場合はFailボタンを押すと下図のように、差分が表示されます。
  6. Hi all, How to get shell thickness that is defined in the shell property through hm_getvalue property id=1 dataname=136 But I need to use attributename of the attribute id 136 to find the name if I use hm_attributenamefromid 136 it gives the list name where real constants are defined. Can anyone help with this. Thanks, mahes
  7. Hello, I'm currently attempting to do a study in which I created a simple square mesh. A pressure is applied perpendicular to the entire surface and the geometry is constrained along two parallel edges of the square. I'd like to observe the change in element displacement as the thickness varies. Is there any way to do this by parameterizing the thickness within the PSHELL component? I have attached an image of the setup to clarify.
  8. Is there a way to optimize the thickness of a bracket (solid 3D model) in Optistruct?
  9. Hi, I have been doing some size and composites optimizations and have been working with 2D elements. I want to export the geometry including the results of the thickness of my elements/plys to visualize in other prgramms (eg iges, step). Is this possible? if so how? thanks Diego
  10. Hi everyone, I´ve encountered a problem when using hypermesh. I have imported and meshed a wing that has the following shape: The problem appears in that sharp line, because when the laminte is created, it intersects in this point. Here is a picture: The cad file is made out of one only surface, so the problem should not be there. In a previous try with the cad made of two faces the same problem appeared, and when simulating I found out the surface was split through that edge. Here the picture. So I am afraid I am going to have the same problem once again with the model of only one surface. The possible sources of error that I can figure out are the model, the messing or the creation of the laminate. This last one actually looks like this: So I would be very grateful if anyone could tell me what things could be made to solve the problem I have.
  11. Hi All, I have a 3D mesh composed of hex elements of a component that looks like a human rib. How can I change the thickness of this 3D mesh in an effecient way? For example, if want the increased the thickness of this component by 10%, what are some to accomplish this? This mesh does not have any surfaces associated with it. So far, I have been translating the nodes of the 3D face elements along a vector to increase the thickness and I am curious if there is a better way. Any help will be appreciated! Cheeres, Sriram
  12. Hello I want to do linear static analysis of a plate of irregular surface geometry. It has a uniform thickness(other two dimensions of the whole component are more as compared thickness) of 6 mm. I meshed the mid surface with Shell Mesh (Tria Element) with element size 5mm. Is it okay to have element size less than that its thickness? If I go for higher element size then it won't match with the surface.
  13. ZDecker3

    Zero composite thickness

    Hi All, I'm currently attempting to run an analysis on a carbon fiber/honeycomb structure. The composites is set up off of a meshed 2D surface by creating plys to determine the direction, thickness, material, and selecting the designated elements. They were than organized by creating a symmetric laminate and than a PCOMPP property is assigned to the same 2D elements as the plys. When I put the 3D element representation on and turn on the composite layers, everything looks exactly how it should, but I am receiving the warning below warning when I run a check in Optistruct. *** WARNING # 1569 for property id = 19. Thickness is zero for this composite. This will produce meaningless stress results and may cause singularity of the global stiffness matrix. Property 19 is the property where it assigns the PCOMPP property. The analysis does run up until it hits error #153 which seems to be caused by the above warning. *** ERROR # 153 *** Exactly zero pivoting encountered during Numerical Factorization; the model may have rigid body mode. Solver error no. = -503 spc set id = 2 index = 1 Possible reasons are: 1) insufficiently constrained model, 2) having rigid body mechanisms within the model, 3) extremely ill-conditioned rigid element sets, 4) extremely thin shells (as used for "skinning") that have MID2/MID3, 5) gap elements with extremely high stiffness (KA, especially KT or MU). Check the model and rerun the problem. (MECHCHECK may be used to find the rigid body modes. To do so, change the input to be an eigenvalue analysis and add MECHCHECK.) (WARNING: results obtained with MECHCHECK cannot be used because the model is changed internally.) This error was detected in subroutine bcsmtxfct. Does anyone know what might be causing the initial warning in this model? It seems weird to me that it says that it has zero thickness but when it's in 3D element representation it shows the thickness of the carbon layers and the honeycomb core.
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