Friday 22 December 2017

Comparison of Hand Calculation with SOLIDWORKS Simulation


Hand Calculation:

The figure 1 which shown below is a plate with hole in the middle fixed at one end and in other side load is applied.


Figure 1

Parameters
Plate Module
Length(L)
60 mm
Width(w)
40 mm
Thickness(T)
1mm
Plate area(Ap)
40 mm2
Hole area(Ao)
78.5 mm2
Elastic Modulus(E)
2e+5 N/mm2 (AISI 1020)
Force (F)
200 N


Nominal stress:

σnom = F/(w-d)t= 2000/(40-10) = 66.666 N/mm2

Stress concentration:

Kt = σmax/ σnom

σmax= 2.5 * 66.666 = 159.99 N/mm2


SOLIDWORKS Simulation

ü  Cad Geometry
ü  Type of Analysis
ü  Type of Materials
ü  Fixtures
ü  Loads
ü  Meshing
ü  Results

Cad Geometry






 Type of Analysis

Study name
Static 1
Analysis type
Static

Material Properties

Model Reference
Properties
Components
Name:
AISI 1020
Model type:
Linear Elastic Isotropic
Default failure criterion:
Max von Mises Stress
Yield strength:
351.571 N/mm^2
Tensile strength:
420.507 N/mm^2
SolidBody 1(Cut-Extrude1)(plate)

Mesh information

Mesh type
Solid Mesh

Study Results

Name
Type
Min
Max
Stress
VON: von Mises Stress
4.429e+000N/mm^2 (MPa)
Node: 29
1.597e+002N/mm^2 (MPa)
Node: 6382






Comparison Results:


Sl.No

Type of Results

Hand Calculation Results

SoildWorks Simulation Results
1
Stress
1.599E+2
1.597E+2

Wednesday 20 December 2017

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