David H. Johnson P.E., Associate Professor of Engineering

Education:	B.S., Mechanical Engineering, Pennsylvania State University, 1978. M.S., Mechanical Engineering, Pennsylvania State University, 1980.
Partial Dossier:	This page lists teaching, research, and scholarly activity information.
Sample work done:	From this page, GIF files may be viewed showing examples of recent projects.
ASME Faculty Advisor since 1993:	American Society of Mechanical Engineers, Student Section at Penn State - Erie Alternate site: PSU Clubs Web Server
Western PA ANSYS User's Group	secretary \| web master, October 1998 - March 2000 chairman since March 2000 Alternate site: SEET Web Server
Personal Information:	Other Activities (beside professoring)
Spring Semester 2008	Mr. Johnson's Schedule
MET Program / PSU	PSU Catalog (bluebook)	eLion	Angel	Schedule of Classes
Mr. Roth's METBD Web Page	For METBD Program graduates ... LINK HERE !

Spring 2008: MET 415

FEA Applications I
Class Information

SP08 Text: NONE - Using the ANSYS Help System as reference and reading assignments.

..... last updated Mar 23, 2008

Course Objectives.
Course Expectations.
Class Grades - see Angel

1. What is FEA ?
Lab 1: Running ANSYS
2. Lab Review, ANSYS Operations Guide
Lab 2: WP + HW-2A
Lab 3: Nonlinear Analysis
Lab 4: Contact Analysis
3.1^st Principals
4. 2D Modeling
Lab 5: Exam 1
5. ANSYS Modeling & Meshing Guide
6. Workbench
7. 3D Models
Lab 6: HW-6A
8. WB -> ANSYS
9. Getting Started w/WB
Lab 7: HW-7A
10. WB Assemblies & Modeling
11. WB Simulation Approach
Lab 8: HW-8A
12. 3D Modeling: SHELLS
Lab 9: 3D Shells
13. HW 8/9 Summary
14. WB Simulation Features

OLD Lectures:
Chapter 3: Capabilities
Chapter 10: Convergence
Chapter 6: Material Properties
Chapter 4 & 7: 3D Solid Models
Chapter 7: FE Model Building
Chapter 8: Boundary Conditions
Chapter 4: Shell Elements
Chapter 4: more elements
Chapter 9: Solving
Chapter 4: Beam & Truss Elements
Chapter 11: Postprocessing

ANSYS:
1^st FEA Model & 1^st Model Principles
HW-1: 2D Plane Stress
WP Exercise & HW-2A & HW-2A Summary
HW-2B
HW-3A: 2D Axisymmetric & HW-3B
HW-4A & HW-4B

ANSYS Workbench:
HW-5 1st Model w/WBE & WB Modeling Summary
3D linear: HW-6A & HW-6B
3D linear assembly: HW-7A
3D nonlinear: HW-8A
2D or 3D, linear or nonlinear: HW-8B
3D Shells: HW-9A
2D or 3D, linear or nonlinear: HW-9B
3D Solid/Shells: HW-10A

Exam 1: Sample Problem-1 and Sample Problem-2
Sample Shell Problem Exam 2
Sample SOLID Problem Exam 2 -OR- 3D Nonlinear
Sample Beam Problem for Exam 3
Sample TRUSS Problem for Exam 3

OLD HW
HW-2B-WBE & Summary
Project 1: 2D Con Rod & (Proj. 1: Instructions)
HW-3X: 2D Axisymmetric
HW-4X: 3D Solids & HW-4Y & HW-4Z
HW-4D: Solid vs. Shell -OR- Shells & Beams
HW-5A: 3D Trusses & HW-5B: Beams

Fall 2007: MET 425

FEA Applications II
Class Information

FA07 Text: Building Better Products with Finite Element Analysis,
Vince Adams and Abraham Askenazi,
Onword Press, 1st edition, 1999. ISBN 1-56690-160X
This text is no longer available and will not be used in FALL 2008

..... last updated Oct.29, 2007

Course Objectives.
Course Expectations.
Class Grades - see Angel

P-Method Finite Elements
CAD Interfaces, Part 1 & Part 2
some XANSYS hints for importing models
CAD Interfaces, Part 3
CDOF & CEQN's
Nonlinear Analysis, Part 1 & Part 2
Submodeling
Steady-State Heat Transfer
Modal Analysis
Optimization

HW 1A: P-Method Finite Elements & HW 1B
HW 2A & 2B: CAD/CAE Interfaces (IGES) to ANSYS
HW 2C: ANSYS-WBE & HW 2D: CAD Repair
HW 3A: Topo Opt & HW 3B: Mapped Mesh & HW 3X
HW 4A: Coupled DOF & HW 4B: CEQN's
HW 5A: Contact and Plasticity & HW 5B
HW 6A: Nonlinear Buckling & HW 6B
HW 7: Sub-Modeling
HW 8A: Heat Transfer, Thermal Stress & HW 8B: HT
HW 9: Modal Analysis
HW 10: Design Optimization

Sample Problem A, Exam 1
Sample Problem B, Exam 2