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DARSHAN INSTITUTE OF ENGINEERING AND TECHNOLOGY

DEPARTMENT OF MECHANICAL ENGINEERING

B.E. - SEMESTER - VI

COMPUTER AIDED DESIGN (2161903)

INDEX

Sr.

No. Title of Experiments

Starting

date Ending date Sign Remarks

1 Sketching

2 3D-Modelling

3 2D-Drawings

4 Static Assembly

5 Dynamic Assembly

6 Structural Analysis with Creo-1.0

7 Analysis with Ansys-APDL

8 Analysis with Ansys-Workbench

9 Master problems for practice

Computer Aided Design

2 Computer Aided Design (2161903) Department of Mechanical Engineering Darshan Institute of Engineering and Technology, Rajkot.

Experiment 1

Sketching

Prepare following Sketches in Creo-1.0 with described dimensions.

All Dimensions are in MM.

Example-1.1

Example-1.2

100



Example-1.3

Example-1.4



Experiment 2

3D-Modelling

Prepare 3D models from following Sketches in Creo-1.0 with described dimensions.


Example-2.1



Example-2.2



Example-2.3



Example-2.4



Example-2.5



Example-2.6



Example-2.7



Example-2.8



Example-2.9



Experiment 3

2D-Drawings

Prepare 2D-Drawings of following models in Creo-1.0 with 1st angle projection system and

proper annotations.


Example-3.1

Example-3.2



Example-3.3

Example-3.4



Example-3.5

Example-3.6



Example-3.7

Example-3.8



Example-3.9

Example-3.10



Example-3.11



Experiment 4

Static Assembly

Prepare static Assemblies along with its parts in Creo-1.0 with described dimensions.


Example-4.1



Example-4.2



Experiment 5

Dynamic Assembly

Prepare Dynamic Assemblies.

Example-5.1 Do the velocity & acceleration analysis by Applying motors at following

positions with given velocities.

Motor-1: Rotary motor Between Pulley and Axle

Speed: 36 rad/s

Motor-2: Sliding motor Between Table and Base plate

Speed: 10mm/s

Motor-1

Motor-2



Example-5.2 Do the velocity & acceleration analysis by Applying motor at following

position with given velocity.

Motor-1: Rotary motor with appropriate limits.

Speed: 36 rad/s

Motor-1



Experiment 6

Structural Analysis with Creo-1.0

Example-6.1

Find the maximum horizontal stress in the plate for the figure given below.

Made of structural steel. Plate is having a square cross-section of size 0.1 m and

thickness 0.001 m. Force acting on the right face of plate is of magnitude 1000

N left face is fixed. Hole is at center having radius of 0.005 m.

Example-6.2

The filleted bar, made of structural steel, has dimensions as shown in figure. The

bar is subjected to tension of 50 KN Find the maximum displacement and the

maximum normal stress in the horizontal direction.



Experiment 7

Analysis with Ansys-APDL

Example-7.1 1D Structural problems.

By using ANSYS, determine the nodal displacements, element stresses and

support reactions for the loaded bar shown in the below figure.

By using ANSYS, determine the nodal displacements, element stresses and

support reactions for the loaded bar shown in the below figure.



Example-7.2 Truss Analysis.

Determine the nodal displacements, element stresses and support reactions for truss shown in below figure. Take cross sectional area of each member as 100 mm2 and modulus of elasticity as 200 GPa.

Determine the nodal displacements, element stresses and support reactions for truss shown in the below figure. Take area of each member as 1 cm2 and modulus of elasticity as 29.5 x 106 N/cm2.



Determine the nodal displacements, element stresses and support reactions for truss shown in the below figure. l1 = 75 cm and l2 = 100 cm. The loads P1 = 20 KN and P2 = 25 KN. Take cross sectional area of each member as 60 mm2 and modulus of elasticity as 20000 N/mm2.

Determine the nodal displacements, element stresses and support reactions for truss shown in the below figure. Take area of each member as 4.90874 cm2 and modulus of elasticity as 200 GPa.



Example-7.3 Beam Analysis.

Find maximum deflection of cantilever beam shown in the below figure with following specifications. Find the nodal displacement values. Load = 1 KN Length = 1 m E = 2 x 105 N/mm2 Cross section of beam is square. B x H = 30 mm x 30 mm.

Find maximum deflection of simply supported beam with central loading as shown in the below figure with following specifications. Find the nodal displacement values. Central Load = 1 KN Length = 1 m E = 2 x 105 N/mm2 Cross section of beam is square. B x H = 80 mm x 50 mm.



Experiment 8

Analysis with Ansys-Workbench

Find maximum horizontal stress in the plate for the figure given below. E =

210 x 109 Pa and Poisson’s ratio is 0.3. Plate is having a square cross-section

of size 0.1 m and thickness 0.001 m. Force acting on the right face of plate is

of magnitude 1000 N left face is fixed. Hole at center having radius of 0.005

m.

The tube is pressurized from inside and the outer pressure is neglected. Db = 60 mm, Dk = 120 mm and Pb = 30 MPa.



The filleted bar, made of structural steel, has dimensions as shown in figure. The bar is subjected to tension of 50 KN. Find maximum displacement and maximum normal stress in the horizontal direction.

Consider a cantilever beam of aluminum alloy with E = 71 GPa, Poisson's ratio = 0.33. Its length is 4 m and has cross section of 0.346 m x 0.346 m.

A wing with an airfoil section is supported such that one end is fixed and the other end is free. The wing has a chord of 1 meter, a span of 5 meters, and a thickness of 0.01 meters. The wing is Aluminum 6061-T6. Find the first 6 modes of vibration of the airfoil using ANSYS Workbench.



Master problems for practice

Prepare solid model in Creo-1.0 with 2D drawings.



Prepare solid model in Creo-1.0 with 2D drawings. Assume missing dimensions relevantly.

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