report

Dynamic-plate

Report date

Oct 15, 2022, 11:14:57 PM

Contents

1.		Global Definitions
1.1.			Parameters
2.		Component 1
2.1.			Definitions
2.2.			Geometry 1
2.3.			Materials
2.4.			Plate
2.5.			Mesh 1
3.		Study 1
3.1.			Stationary
3.2.			Eigenfrequency
4.		Results
4.1.			Datasets
4.2.			Plot Groups
4.3.			Applied Loads (plate)

1. Global Definitions

Date	Oct 14, 2022, 1:48:55 PM

Global settings
Name	Dynamic-plate.mph
Path	/Users/liyiyang/Desktop/dynamic-plate.mph
Version	COMSOL Multiphysics 6.0 (Build: 318)

Used products
Structural Mechanics Module
COMSOL Multiphysics

Computer information
CPU	Apple M1, 4 cores
Operating system	Mac OS X

1.1. Parameters

Parameters 1
Name	Expression	Value	Description
b	8[mm]	0.008 m
Fx	500[N/m]	500 N/m
d	5[mm]	0.005 m
a	12[mm]	0.012 m
R	1[mm]	0.001 m
r	0.5[mm]	5E−4 m

2. Component 1

2.1. Definitions

2.1.1. Coordinate Systems

Boundary System 1

Coordinate system type	Boundary system
Tag	sys1

Coordinate names
First	Second	Third
t1	n	to

Shell Local System (plate)

Coordinate system type	Base vector system
Tag	platesys

Coordinate names
First	Second	Third
xl	yl	zl

Base vectors
	x	y
xl	root.comp1.plate.dsdX11	root.comp1.plate.dsdX12
yl	root.comp1.plate.dsdX21	root.comp1.plate.dsdX22

Simplifications
Description	Value
Assume orthonormal	On

2.2. Geometry 1

Units
Length unit	mm
Angular unit	deg

2.3. Materials

2.3.1. Iron

Selection
Geometric entity level	Domain
Selection	Geometry geom1: Dimension 2: All domains

2.4. Plate

Equations

Features
Name	Level
Linear Elastic Material 1	Domain
Thickness and Offset 1	Domain
Free 1	Boundary
Initial Values 1	Domain
Fixed Constraint 1	Boundary
Edge Load 1	Boundary

2.5. Mesh 1

3. Study 1

Computation information
Computation time	3 s

3.1. Stationary

Study settings
Description	Value
Include geometric nonlinearity	Off

Mesh selection
Geometry	Mesh
Geometry 1 (geom1)	mesh1

3.2. Eigenfrequency

Study settings
Description	Value
Include geometric nonlinearity	Off

Study settings
Description	Value
Search for eigenfrequencies around	1[Hz]

Physics and variables selection
Physics interface	Discretization
Plate (plate)	physics

Mesh selection
Geometry	Mesh
Geometry 1 (geom1)	mesh1

4. Results

4.1. Datasets

4.1.1. Study 1/Solution 1

Solution
Description	Value
Solution	Solution 1
Component	Component 1 (comp1)

Dataset: Study 1/Solution 1

4.1.2. Embed 2D 1

Data
Description	Value
Dataset	Study 1/Solution 1

Advanced
Description	Value
Space variables	{emb1x, emb1y, emb1z}

Dataset: Embed 2D 1

4.1.3. Study 1/Solution Store 1

Solution
Description	Value
Solution	Solution Store 1
Component	Component 1 (comp1)

Dataset: Study 1/Solution Store 1

4.2. Plot Groups

4.2.1. Stress (plate)

Surface: von Mises stress, Gauss point evaluation (mm)

4.2.2. Thickness and Orientation (plate)

Thickness and Orientation (plate)

4.3. Applied Loads (plate)

4.3.1. Edge Loads (plate)

Edge Loads (plate)