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Prof. N. Chandrashekar (Biomechanics) Prof. D. Cronin (Impact Biomechanics, Pipeline integrity) Prof. G. Glinka (Fatigue/Fracture) Prof. K. Inal (Forming/Plasticity) Prof. H. Jahed (Fatigue/Plasticity) Prof. HJ Kwon (Constitutive Modeling/Biomaterials) Prof. S. Lambert (Design) Prof. J. Medley (Biomechanics, Tribology) Prof. A. Salehian (Vibrations, Smart Materials) Prof. P. Sullivan (Composites, Manufacturing) Prof. M. Worswick (Forming and Impact) Solid Mechanics Research

Solid Mechanics Research

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Page 1: Solid Mechanics Research

Prof. N. Chandrashekar (Biomechanics)

Prof. D. Cronin (Impact Biomechanics, Pipeline integrity)

Prof. G. Glinka (Fatigue/Fracture)

Prof. K. Inal (Forming/Plasticity)

Prof. H. Jahed (Fatigue/Plasticity)

Prof. HJ Kwon (Constitutive Modeling/Biomaterials)

Prof. S. Lambert (Design)

Prof. J. Medley (Biomechanics, Tribology)

Prof. A. Salehian (Vibrations, Smart Materials)

Prof. P. Sullivan (Composites, Manufacturing)

Prof. M. Worswick (Forming and Impact)

Solid Mechanics Research

Page 2: Solid Mechanics Research

Biomechanics of Knee Injury

Professor J. Medley ([email protected]) and Professor N. Chandrashekar ([email protected])

Professor N. Chandrashekar

Page 3: Solid Mechanics Research

Impact Biomechanics

The goal of impact biomechanics research is to protect the human body from 'serious' injury or trauma (anatomical rearrangement).

The development and design of improved safety requires the ‘test that cannot be done…”

Hybrid III Family

Detailed Torso Model

Full Body Model

Full Body Model with

Vehicle Integration

Professor D. Cronin ([email protected])

Professor D. Cronin

Page 4: Solid Mechanics Research

Fatigue & Fracture Mechanics

Professor G. Glinka ([email protected])

Professor G. Glinka

4

LOADING

F

t

GEOMETRY, Kf

PSO

MATERIAL

σ

ε0

E

Stress-StrainAnalysis

Damage Analysis

Fatigue Life

Information path for fatigue life estimation based on the ε-N method

MATERIAL

½ Δε

2Nf

Page 5: Solid Mechanics Research
Page 6: Solid Mechanics Research

Fatigue & Stress Analysis Laboratory

Toward the lightest Body in White

Mg and other lightweight metal

Fatigue characterization & modeling

Cyclic plasticity modeling

Professor H. Jahed ([email protected])

Body in white

Front end

Professor H. Jahed

Front end mass of a mid-size car:70 kg Steel

46 kg Al30 kg Mg

0.1

1.0

10.0

100 1000 10000 100000

Dam

age

par

ame

ter

(MJ/

m3

)

Life, N (cycles)

Page 7: Solid Mechanics Research

Biomechanics and Gel mechanics

Professor HJ. Kwon ([email protected])

Artificial Tissues

7

Cell Traction Force Measurement

Gel for Drug Delivery Nonconventional Mechanical Testing

We are developing …

Page 8: Solid Mechanics Research

Design & Fatigue and Fracture

Professor S. Lambert ([email protected])

Professor S. Lambert

Automotive Design

Design Education

Fatigue and Fracture

8

Page 9: Solid Mechanics Research

Biomechanics & Tribology

Professor J. Medley([email protected])

Professor J. Medley

Hip Simulator

Individual Channels

Test Specimens

Simulator Wear of Hip Implants

Page 10: Solid Mechanics Research

Vibration & control of inflatable satellite systems

Professor A. Salehian([email protected])

Professor A. Salehian

Thermally induced vibration of inflatable

space structures upon passing the eclipse line

Modeling gossamer membrane : dynamic

behavior, designing vibration controller

sunlight shade

Inflation chamber

Energy harvesting using smart materials

Power harvesting using piezoelectric material for low power electronic devices

10

Page 11: Solid Mechanics Research

Composite Materials & Polymer modeling

Professor P. Sullivan ([email protected])

Professor P. Sullivan

11

Experimental Characterization and Modeling of Thin-walled Plastic

Components

1. Moisture Diffusion

– Due to exposure to humid environments

– Causes swelling of the material

– Changes thermophysical and mechanical properties

2. Physical Aging

– Structural molecular relaxation/rearrangement

– Changes thermophysical and mechanical properties

Two MASc positions in Fall 2010

– Hygrothermal degradation of electronic adhesives (RIM)

– High temperature degradation in automotive fluid environments (DANA)

Page 12: Solid Mechanics Research

Forming & Automotive research

Professor M. Worswick

WatCAR- Waterloo Centre for Automotive Research

Professor M. Worswick ([email protected])

Research to create THE CAR OF THE FUTURE

Metal Forming / Crashworthiness

Damage Mechanics

Page 13: Solid Mechanics Research

WatCAR

Professor M. Worswick ([email protected])

WatCAR: Waterloo Centre for Automotive Research

Materials and Manufacturing

Auto Systems and Mechatronics

Alternative Fuels

Environment Human FactorsDesign

56 professors, 20 research engineers and technicians, 200+ grad students