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Offset surface creation - Сообщения
#1 Опубликовано: 10.10.2021 12:20:33
Offset surface creation
An initial surface is given, given by the "createmesh" function, which forms a
network with nodes.
Dyou want to create an offset surface, offset by an amount h from the initial.
The direction of displacement surface epends on the sign of h.
Sequence of calculation:
1.Restoring the normal from the nodal points of the initial surface and we get
the nodal points of the displaced surface.
2.We connect the resulting node points
The image is built on three-dimensional graphics and can be rotated with the mouse

An initial surface is given, given by the "createmesh" function, which forms a
network with nodes.
Dyou want to create an offset surface, offset by an amount h from the initial.
The direction of displacement surface epends on the sign of h.
Sequence of calculation:
1.Restoring the normal from the nodal points of the initial surface and we get
the nodal points of the displaced surface.
2.We connect the resulting node points
The image is built on three-dimensional graphics and can be rotated with the mouse
4 пользователям понравился этот пост
Andrey Ivashov 19.10.2021 13:48:00, Oscar Campo 20.10.2021 18:42:00, Davide Carpi 20.10.2021 08:27:00, Alvaro Diaz Falconi 10.10.2021 20:58:00
#2 Опубликовано: 19.10.2021 11:54:16
#3 Опубликовано: 19.10.2021 13:58:45
Hi,Rezorex.I put the icon with the link using the "hyperlink" insert.
Here is a link to an article from Mapleprimes
https://www.mapleprimes.com/posts/211000-Preparing-A-Parametrized-Surface-For
Here is a link to an article from Mapleprimes
https://www.mapleprimes.com/posts/211000-Preparing-A-Parametrized-Surface-For
#4 Опубликовано: 20.10.2021 05:22:00
Hi. Thanis Ber. A slightly different version, using only parametric functions.
Offset surface creation.sm (73 КиБ) скачан 84 раз(а).
Offset surface creation.pdf (917 КиБ) скачан 70 раз(а).
Best regards.
Alvaro.
Offset surface creation.sm (73 КиБ) скачан 84 раз(а).
Offset surface creation.pdf (917 КиБ) скачан 70 раз(а).
Best regards.
Alvaro.
2 пользователям понравился этот пост
#5 Опубликовано: 20.10.2021 09:45:16
Thanks Alvaro, I continue to learn from you.
Fridel.
Fridel.
#6 Опубликовано: 20.10.2021 13:31:05
Converting Surfaces to Solids
The solid is formed from the initial surface, the offset surface, and the
lateral surface that connects them. The lateral surface is formed by normals
reconstructed from the boundary nodal points of the initial surface.
Solid.sm (36 КиБ) скачан 77 раз(а).
Solid.pdf (309 КиБ) скачан 72 раз(а).

The solid is formed from the initial surface, the offset surface, and the
lateral surface that connects them. The lateral surface is formed by normals
reconstructed from the boundary nodal points of the initial surface.
Solid.sm (36 КиБ) скачан 77 раз(а).
Solid.pdf (309 КиБ) скачан 72 раз(а).
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Alvaro Diaz Falconi 20.10.2021 23:56:00
#7 Опубликовано: 20.10.2021 20:43:17
Thanks ► Fridel, Alvaro
I don't have the courage to convert SS 6179 ... OK.
Keep up ... Jean.
Rotate 3D TREASURY_2 Parametric Explorer.sm (33 КиБ) скачан 65 раз(а).
I don't have the courage to convert SS 6179 ... OK.
Keep up ... Jean.
Rotate 3D TREASURY_2 Parametric Explorer.sm (33 КиБ) скачан 65 раз(а).
#8 Опубликовано: 21.10.2021 04:31:50
WroteConverting Surfaces to Solids
Hi Fridel. Thanks, great job. In the attached an alternate mesh. Its advantage is that it consists of a single coordinate matrix, so it can be manipulated more easily, with translations, rotations and deformations. As disadvantages, it does not look so good and there may sometimes be a wrong line, but I guess only one.
pSolid_alternate_mesh.sm (51 КиБ) скачан 60 раз(а).
pSolid_alternate_mesh.pdf (391 КиБ) скачан 72 раз(а).
Best regards.
Alvaro.
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Fridel Selitsky 21.10.2021 05:07:00
#9 Опубликовано: 24.10.2021 11:47:27
Normal to the surface on Rezonar's triangular mesh
NorSurAlvaro.sm (49 КиБ) скачан 71 раз(а).
NorSurAlvaro.pdf (623 КиБ) скачан 67 раз(а).

NorSurAlvaro.sm (49 КиБ) скачан 71 раз(а).
NorSurAlvaro.pdf (623 КиБ) скачан 67 раз(а).
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Alvaro Diaz Falconi 24.10.2021 23:40:00
#10 Опубликовано: 24.10.2021 14:59:18
By same token, did you manage constructing Delaunay ?
We had no chance in Mathcad. Cheers ... Jean.
We had no chance in Mathcad. Cheers ... Jean.
#11 Опубликовано: 25.10.2021 22:06:52
Hi. The same but with a different version for the triangular mesh.
NorSurAlvaro v2.sm (77 КиБ) скачан 61 раз(а).

Best regards.
NorSurAlvaro v2.sm (77 КиБ) скачан 61 раз(а).
Best regards.
2 пользователям понравился этот пост
#14 Опубликовано: 11.11.2021 06:54:12
Creating surface thickness with triangular meshes
thickness.sm (56 КиБ) скачан 80 раз(а).
thickness.pdf (732 КиБ) скачан 64 раз(а).

thickness.sm (56 КиБ) скачан 80 раз(а).
thickness.pdf (732 КиБ) скачан 64 раз(а).
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