MS2000 Seminars

N.1
 Giacomo Po
01-30-09
 FEM implementation in COMSOL and MATLAB
 
  • Setting up BV problems in MatLab
[PDF]
  • Integrating MatLab/ COMSOL
 
  • Guided Example

 

N.2
 Qiyang Hu
02‐06‐09
 Stress Waves in thermally‐Pulsed Materials
  • Review physics and observations
[PDF]
  • HAPL conditions

 

N.3
 Aaron Aoyama
02‐13‐09
 Design of Structures under dynamic loading
  • Fatigue Analysis of a connecting rod;
[PDF]
  • Including Fracture Mechanics

 

N.4
 Tamer Crosby
02-20-09
 Review of Crystal Plasticity
  • Need for crystal plasticity—shear bands, geometric instabilities, ??
  • Hill‐Rice‐Asaro Formulation
  • Large Deformation Formulation of DD
[PDF]
  • What problems need this type of thing??

 

N.5
 Benjamin Ramirez
02-27-09
 Hardening of Metallic Alloys
  • Solution vs precipitation hardening
  • Empirical relationships: to achieve a combination of strength & ductility
  • Models of Precipitation Hardening—Kelley, Fleicher, etc.
[PDF]
  • Effects of Statistics, Modeling Dislocation‐ppt. interaction, dislocation core effects

 

N.6
 Rahim Ghelani
03‐06‐09
 Review of Oxide Dispersion Strengthened (ODS) steels
  • History & Variations
  • Fabrication
  • Mechanical Props
  • Microstructures
[PDF]
  • Radiation Effects

 

N.7
 Dariush Seif
03-13-09
 Simulation of Defect Accumulation in Irradiated Materials
  • Radiation‐Induced Defects & their Physics
  • Rate Theory Solutions
[PDF]
  • KMC Methods: Object MC, Lattice MC, KMC, FPMC

 

N.8
 Can Erel
03-20-09
 Modeling of Fatigue
  • Quick Review of Eng. Fatigue Behavior
  • Fatigue Microstructures & Relationship to Failure
  • Existing Models: Intrusion/extrusion – Lin; Repetto & Ortiz; dislocation‐based models; DD simulations (Fivel, French)
[PDF]
  • My Plans: Conceptual model with DD; conditions for crack initiation‐‐‐atomistic simulations; chemistry

 

N.9
 Antony Brown
03-27-09
 Shock Compression & High Strain Rate Effects
  • Strain Rate Effects on mechanical Response—e.g. hardening rates, yield stress, ductility, etc.
  • Review of observations…. Microstructure & properties
  • Effects of crystal structure
  • MD simulations… Key results
[PDF]
  • Techniques used in MD simulations

 

N.10
 Giacomo Po
04-03-09
 Plastic Deformation in Irradiated Materials
  • Microstructure evolution/ mechanical props.
  • FCC (Cu) VS bcc (Fe)
[PDF]
  • Ideas about modeling

 

N.11
 Qiyang Hu
04‐10‐09
 FFT Technique & Mathematics
[PDF]
  • ????

 

N.12
 Aaron Aoyama
04‐17‐09
 Thermomechanical Design of a High Heat Flux Component
  • Design optimization, fluid mechanics, thermal stresses
[PDF]
  • Applications of ITER Failure Criteria—ANSYS work‐bench

 

N.13
 Tamar Crosby
04‐24‐09
 The Boundary Element Method
  • General Formulation
  • Implementation in the DD code
[PDF]
  • Implementation in Precipitate Problems (Ben)

 

N.14
 Giacomo Po / Qiyang Hu
05‐01‐09
 Solution Methods for the Thermoelastic Problem
  • D’Alamber Solution in the finite domain
  • FFT method
[PDF]
  • Green’s function method