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Composite material calculation; Normal stress and Shear flow calculation in close profile with multiple close cells; -----------------------------------Bachelor graduation project in TUBS; Mail: tianyunhu@gmail.com

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Note

In order to make the project more useful, the project is devided in two independent reopsitories:

Introduction

CN ENG
1 复合材料层合板计算 Composite Material Calculation with CLT Introduction
2 开闭剖面多闭室工程梁计算 Engineering Beam Calculation with open or closed profile Introduction

read the program introduction for more details Here
Running requirements | Installation | License

MY GRADUATION THESIS IN TUBS,PARTLY FINISH.

ALL RIGHT RESERVED


Composite Material Calculation with CLT

  • The main package is a Python composite materials calculation package. The laminate stresses, strain and failure Criterion based on the Classical Lamination Theory (CLT).

    • You can define the lamina's fibre and matrix's parameters like the Elastic moduli , Shear moduli and strength, then define lamina's layer angle and thickness in the next step.

    • After define the lamina you can get the matrix such as A,B,D,Q and so on by use the Laminate class or you can define the laminate directly.

    • Use the Load class and load the force and moment to the laminate to calculate the stress and stain of each lamina.

    • Use the Failure_Cirterion class and you can choose different theories to check witch lamina failure or not.

  • The laminate_plugin.py can plot the stress and strain distribution in the laminate in the COS(xy or 12), print the results in Excel formate and save it in Excel.


Engineer Beam Calculation with open or closed profile

  • You need to distinguish the shape of the profile, open, closed or mixed and choose the right functions to calculate.

    • You can give the coordinate value of the points of the profile in a Excel table, you may also need to add or remove some edges, change the thickness between the edges of the profile generated by the read_exe class

    • Use the profile_constant class to calculate the profile's engineer constant like the second moment of area and use the parameters in the next steps, you can also choose whether move the profile to its centroid.

    • If the profile is a open one, you can use the open_profile class directly, it can calculate the and the give the Shear Flow distribution under the shear force along the path you choose and you can get the shear center if need.

    • If the profile is a close one with more than one close cells, you need to choose cut points to make the profile become a open one, then choose the integrate paths and use the open_profile class to get the shear flow in the 'open' profile. Last, use the functions in close_profile.py to get the shear flow in each close cell, get the shear center, get the twist angle and some more results you need.


  • There are many different kind of plug-ins you can use to help you plot the results in 2D or 3D. beam at Qx=1 close-beam at Qx=1 close-beam at Qx=1


Running requirements

Python > v2.7
Numpy
Scipy
Sympy
matplotlib

Installation

Copy the source files in the local directory and add the PATH in the system or copy the files to the Python's "site-packages" folder.
Copy the source file in you own file and develop the new function by yourself.

License

MY GRADUATION THESIS IN TUBS,PARTLY FINISH.

ALL RIGHT RESERVE


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Composite material calculation; Normal stress and Shear flow calculation in close profile with multiple close cells; -----------------------------------Bachelor graduation project in TUBS; Mail: tianyunhu@gmail.com

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