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Questions related from Spyros Arvanitis
I am modeling a sandwich structure in Abaqus with conventional shell elements for the face sheets and solid elements for the core. The face sheets include reinforced patches, leading to variations...
12 January 2025 6,630 2 View
Dear all, I am working with a tapered cylindrical shell featuring the following layup: [45, -45, Aramid honeycomb, -45, 45]. The face sheets are made of CFRC. For the honeycomb core, I have the...
05 January 2025 731 1 View
Dear all, I have tapered like shell in abaqus made of composite materials. When i try to run an analysis i get the following warning: The 3-direction at one or more points in one or more layers...
28 November 2024 5,962 3 View
Dear Everyone, I am new to the concept of material science. I tried to simulate a solidification process of 7079 alluminium alloy using Scheil-Gulliver method in Matcalc. However, I noticed that...
02 February 2024 7,014 1 View
I have created a solid mesh of a flange model in hypermesh. However, only one of the mesh quality criteria is not satisfied. The max angle of some hexahendral elements is slightly higher than 135°...
24 November 2022 5,607 3 View
I have a long cylindrical shell with dimensions length = 20 m , radius = 2 m and thickness = 3 cm. I want to do a geometric non-linear buckling analysis in Abaqus with no imperfections included....
01 January 1970 5,751 3 View
Dear all, I wanted to simulate flanges on a wind turbine tower. For this porpuse two different models were created. 1) Using tie constraints. Each segment (3 in total, so 2 connections) has a...
01 January 1970 8,629 2 View
I simulated a cylinder of length 75 and radius 2 in Abaqus using shell elements (S4R) for the cylindrical shell and solid elements (C3D10) for flanges. The connection between flanges and cylinder...
01 January 1970 7,751 14 View
I want to simulate a wind turbine's tower model. The cylindrical part constructed using shell elements (S4R) and the flanges using solid elements(C3D10).Internal stiffneres also included using...
01 January 1970 7,702 2 View
Dear all, I want to connect the surfaces of two shell structures (shell rings). For that purpose I was thinking tie constraints. However I am not sure how to do it properly. For example how should...
01 January 1970 3,817 5 View
Dear all, I want to connect two parts in abaqus. One is a cylindrical shell and the other is a solid deformable ring. The ring will act as a stiffener for the cylindrical shell. My question is...
01 January 1970 227 5 View
Dear all Abaqus users, I want to connect a cylindrical shell with a solid ring, where the ring simulates the flange. For this purpose I was thinking to the shell-to-solid constraint. However, some...
01 January 1970 247 3 View
Dear all, I want to use ring stiffeners in order to increase bending resistance of a cylinder. The rings has outer diameter R1 = 2 and inner diammeter R2 = 1.85. Their thickness is 0.12 . They...
01 January 1970 5,076 3 View
Dear all, Is a good strategy to simulate thick structures using shell elements instead of solid ones. For example I have a cylinder consisting of 3 parts. The parts are connected with flanges with...
01 January 1970 3,746 3 View
Dear all , I have a one fixed-end cylinder under bending force simulated in Abaqus. I run a geometric non-linear analysis and now I want to find the curvature at some specific point across the...
01 January 1970 4,741 4 View
Dear all, I am working on a buckling problem of a long cylindrical shell under bending moment. One end is fixed and the other one is free to move. A bending moment is acting on free end. I...
01 January 1970 3,384 5 View
I am trying to do a post-buckling analysis of a cylinder under bending load usig riks method in abaqus. As imperfection i used only the critical buckling mode from linear buckling analysis.The...
01 January 1970 6,115 3 View
I am studying the behaviour of cylindrical shells under bending loads. I simulated in Abaqus a straight cylinder of length = 100 , radius = 2 and thickness =0.05 . S4R elements are used. The...
01 January 1970 4,310 4 View
I simulated the same problem using both wire beam and shell elements. The model is a cylinder of length = 100 , thickness = 0.05 and radius = 2. One end is fixed and the other is free. A...
01 January 1970 3,873 3 View
I want to use shell elements in Abaqus in order to formulate a cylindrical shell under compression. However, I am stuck a little bit in small and finite strain part. Does this mean that elements...
01 January 1970 4,073 2 View
I am trying to simulate the buckling behaviour of a very long beam with a pipe cross-section in Abaqus.One end is fixed and the other is free.A bending force is applied on the free end. By doing a...
01 January 1970 3,981 6 View
I want to create a beam(3d wire) in abaqus with a conical cross-section and different thickness. However in cross-section modulus there is no something like that. How could I do that? Please give...
01 January 1970 7,187 3 View
I'm modeling a cylindrical shell of L=3 m , thickness=2cm and R=20cm with left end fixed and a bending force on the other free end. I want to study where buckling occurs. As a first step I want to...
01 January 1970 2,972 3 View
