Department of

Applied Mechanics

Biomedical Engg

Tel: (91) 044 2257 4050

Fax: (91) 044 2257 4052

e-mail: apoffice@iitm.ac.in

The Mechanics Trinity

Fluid Mechanics

Solid Mechanics

Our Vision

Towards a frontier knowledge base that will translate advances in basic sciences in solving challenging problems in engineering and medicine.

http://apm.iitm.ac.in

Mission

By providing quality education and research, we empower individuals to become caring, competent and responsible citizens who value education and research experience as a life long process.

Faculty

Adjunct Faculty

Anuradha Banerjee Fracture Mechanics, Composites, Elasticity Plasticity.

Arockiarajan A Smart materials, Ferroelectrics, Electro-active polymers,

Constitutive modeling.

Arul Prakash, K CFD and Heat Transfer, Thermal Hydraulics , LES and related

techniques, Parallel computing.

Baburaj, A.P Near wall phenomena in turbulent convection, Interfacial

phenomena and Transport at small scales.

Lakshmana Rao, C Buckling Control of Structures using Smart Materials,

Numerical modeling of brittle fracture, Ballistic Impact.

Lakshminarasimhan, J Internal flows in duct and diffusers, Wake-boundary layer

interaction, Analysis of flow arounf bluff bodies.

Manivannan, M Haptics, Virtual reality, Computational Physiology.

Palaninathan, R Structural mechanics, Composites Materials and Structures,

Finite element method, Thermal structures.

Prasad Patnaik, B.S.V CFD, FEM, Active flow control, Flow induced vibrations,

Phase-field modeling, Micro and/or Bio-Fluid flow systems

Raamachandran, J Boundary Elements, Finite Elements, Plates and Shells.

Ramasubba Reddy, M Biomedical instrumentation, Biomedical image processing,

Biomedical signal processing.

Ramesh, K Computer Application in Experimental Mechanics, Fracture

Mechanics, Digital Photoelasticity.

Rinku Mukherjee Unsteady Aerodynamics, Post-stall flow prediction, Flow

modeling, CFD, free-surface hydrodynamics.

Santhanakrishnan, G Solid Mechanics.

Sayan Gupta Stochastic modeling, Risk assessment and structural

reliability, random vibrations, nonlinear dynamics.

Sivakumar, M S Constitutive Modeling, Smart Materials, Plasticity,

computations.

Sujatha, N Biomedical imaging, Bio-optics, Speckle metrology.

Vengadesan, S CFD, Turbulence modeling , LES and their applications.

.

Narayanamurthy, V.B Plastic Surgeon, Diabetic Foot.

Thanikachalam S. Cardiac Physician.

Department of Applied MechanicsIndian Institute of Technology Madras

Chennai - 600 036, India

Tel: (91) 044 2257 4050 Fax: (91) 044 2257 4052e-mail: apoffice@iitm.ac.in

Excel

Innovate

Achieve

Stereoscopic particle imaging velocimetry

(PIV) system capable of time resolution up

to 50Hz to study turbulent flows over a

maximum area of 70 cm x 70 cm. The

system can also investigate mixing

phenomena by laser induced fluore-

scence, droplet/bubble sizing by shadow-

graphy and flows at micro scales using an

epi-fluorescent microscope.

Computerization has phenomenally

changed the way experiments can be

conducted. The figure shows a computer

controlled fatigue testing machine to load a

cracked specimen. The strain field in the

specimen is measured by a multi-channel

computerized data acquisition system.

Glass is now becoming a potential structural

member. Understanding the stresses induced

would be of great interest. The fringes

represent the residual stresses in the wall of a

tempered glass tumbler of about 2 mm

thickness.

The flow visualization setup is used to visualize

instantaneous and temporal variation of streak

lines in water using Aluminium powder at a

maximum flow speed of 1.5m/s.

Near-infrared spectroscopy system (NIRS)

developed in-house for medical diagnostic

applications. The light in the near-infrared

range can penetrate deep into the tissue

without causing ionization. Use of NIRS for

diabetic foot measurement is shown here.

The sense of touch or HAPTICS is a buzz word these days in several engineering applications. The Omni model is one of the cost effective haptic devices available today.

It has 6 degrees of freedom for positional sensing, 3 degrees of freedom for force feedback and 0.1 N continuous exertable force. Haptic guided minimally invasive surgical simulators have been developed and are currently in the commercialization stage.

Sponsored Research

! Development of biodegradable natural

fibre composites for consumer durable

components (DST).

! Development of constitutive models of

smart materials (National Program on

Smart Materials)

! Large eddy simulation of flows in a

rectangular channel with a built-in winglet

pair (AR&DB).

! Stress separation in Digital Photo-

elasticity. (ISRO-IITM cell) .

! Characterization of polymeric PZT used

as sensors in Aerospace applications

(AR&DB).

! LES investigation of interference effect

due to bluff body at moderate Reynolds

number (CSIR).

! Instrumented Indian Mannequin for

Training Medical Doctors (DBT) .

! Trauma Care Training Simulator

(Advanced Technology Board).

! Stress Analysis of Roller Chain (Murugappa Group).

! Constitutive Modelling of Rubber and Simplified Analysis Proceduresfor Tyre Design (MRF Tyres).

! Mathematical Modeling of SMPs and Preparation of Material Design Guidelines (GM Tech India).

! Development of SMA actuators for control surfaces (DRDO).

! Self-powered Palmyrah Tree Climber (RuTag Cell, IITM).

! Human-Computer Interface for C e re b ra l -Pa l p sy C h i l d re n (Social ly Relevant Project Scheme, Allumni of IITM).

Research Activities

! Constraint effects in fracture, smart materials modeling and design of structures.

! Autonomous data acquisition in digital photoelasticity.

! Computational Adaptive System, Residual stress measurement in glass articles.

! Buckling control of nozzle shell using smart materials.

! Ballastic impact simulation.

! Stochastic modeling, risk assessment and reliability analysis, random vibrations, non-linear dynamics.

! Bio Haptic study, medical simulations with haptics feedback.

! Optical spectroscopy in cancer diagnosis, tissue perfusion studies using optical techniques.

! Quantification of optical nerve disorders.

! Foot pressure measurements in diabetic patients.

! Image/signal processing of biological structures/ tissues.

! High Ra convection, microscale flows.

! Post-stall flow past single and multiple wing configurations, aerodynamics of formation flight, unsteady aerodynamics.

! Thin film flows and interfacial phenomena.

! CFD, Turbulence modeling, Large Eddy Simulation.

1 Diabetic foot

2 Bi-material interface

crack

3 Shell buckling

4 Bio-potential map of

chest

5 LV image of heart

6 Vortical flow

7 LES of hill flow

8 SMA microstructure

A l o n g w i t h t h e i n s t i t u t e , t h e D e p a r t m e n t o f Applied Mechanics is a lso celebrating i ts Golden Jubilee. T h e d e p a r t m e n t stands out in the institute due to its i n t e r d i s c i p l i n a r y nature. The key to t h e d e p a r t m e n t logo is as s h o w n h e r e .

Academic Programmes

! Exposes students to both theoretical and practical aspects of Applied Mechanics.

! Offers Dual, Mtech, MS and PhD degrees in three areas of Applied Mechanics.

! The students selected through JEE do a 5-year dual degree program and are offered a BTech degree in AE/CE/EE/NA and a MTech degree in Applied Mechanics.

! MTech requires two semesters each of course work and project work. MS requires five courses followed by a dissertation. PhD trains the candidate to pursue original research ideas and prepares him for academic as well as R&D careers in the industry.

! Offers Quality Improvement Programme (QIP) and sponsored programmes.

Software developed

! Ablative thermal protection for hyper thermal loading conditions.

! PressFilm: Evaluation of pressure using Pressure Sensitive Films.

! P_Scope: Virtual Polariscope,

! PhotoSif : SIF evaluation by photoelasticity.

! FemFringes: Plotting of fringe contours from FE Results.

! Smart-Solver: To model shape memory alloys and ferroelectric materials.

! RhAdapt: A posterior r-h adaptive scheme for finite element analysis.

! 2D BEM Solver, 3D FEM codes for non-linear coupled problems.

! CFD codes, Post stall predictive tool for single and multiple wing configurations (3D) using decambering approach.

! RANS and LES Solvers using FD/FE methods.

! A number of UDF's for a wide spectrum of turbulence models.

Achievements

! Squeeze casting of metal matrix composites.

! Early detection of diabetic ulcers & therapeutic footwear design, communication kit for spastics.

! Software modules for digital photoelasticity.

! Active/passive control through smart sensors.

! Atmospheric Dispersion studies using Hybrid Model.

! Assessment of Osteoporosis.

! Wind tunnel studies of industrial structures.

! Fracture assessment of Structures.

! Erosion modeling of c-c composites in hypersonic vehicles.

! Analysis modules for smart materials/ structures.

! Rate dependent studies on ferroelectrics.

Biophotonics

Research Based Industrial Consultancy

Socially Relevant Research Projects

IndustrialConsultancy

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