SARNATH

CORPORATE PROFILE

CAE

CLIENTS WORKED WITH

PARAMETRIC TECHNOLOGY CORPORATION (FORTUNE 500)

M/s. ASHOK LEYLAND LTD.,

M/s. TITAN INDUSTRIES.,

M/s.UCAL SYSTEMS (MINICA SERVICES).

M/s. HYUNDAI ENGG. CO. LTD.,

M/s. DURR INDIA LTD.,

M/s. RANE STEERING SYSTEMS.,

M/s. ABAN CONSTRUCTION COMPANY.,

M/s. F.F.E MINERALS.,

M/s. THAR TECHNOLOGIES.,

M/s. JAPS TECH ENGINEERS PVT. LTD.,

M/s. NATIONAL INSTITUTE OF OCEAN TECHNOLOGY.

M/s. I.I.T. CHENNAI.,

M/s. GULF ENGINEERING INDUSTRIES.,

DOMAIN EXPERTISE

1. Customization/Design Process Automation

2. FEA, CFD & MBD

3. Stacker Reclaimer Design

4. Ship Unloader Design

5. Wind Turbine (Structures Design and Value Engineering)

6. Lean & Kaizen

7. Product Development

8. Reverse Engineering

Sub Domain Expertise

Crash Analysis.

CFD Analysis.

Fatigue Life Estimation.

Multi Body Contact Analysis.

Vibration Analysis of Motor/Engine, Automotive and Aerospace component.

Spring Back Simulation during forming operations.

Non Linear - Transient - Casting Solidification Simulation.

Coupled Field (Fluid-Structure Interaction, Thermal–Struct., CFD-THERMAL).

Non Linear Explicit Dynamic and Transient Problems

CAE PROJECTS

Project Description Client Type Team

Size

Man

Days

FEA & CFD of Water Pump UCAL (Minica Services) FEA & CFD 2 100

CO2 pump Analysis Thar Technologies Structural FEA 2 120

Pipe Seal Analysis ChangePond

Non Linear

Rubber 1 50

Door Seal Analysis Five Element

Non Linear

Rubber 1 80

CFD Analysis of Helical Port ASHOKLEYLAND CFD 2 120

CHASSIS REDESIGN ASHOKLEYLAND FEA 3 180

CFD Analysis of CAR Body Borgwarner CFD 1 40

Hitch Optimization TAFE

FEA +

Optimization 1 30

STEERING PUMP SHAFT ANALYSIS RANE STEERING SYSTEMS FEA 2 80

EVALUATION OF DESIGN FOR 300

LITER EXTRACTION VESSEL Thar Technologies FEA 1 20

BOGIE BOLSTER ICF FEA 1 50

THROTTLE BRACKET UCAL FUEL SYSTEMS Vibration FEA 1 15

Vibration Analysis of ETC MOTOR VESTEON Vibration FEA 1 20

Hot Coke Car Frame Analysis FLSMIDTH Structural FEA 2 40

Skid Analysis DURR Structural FEA 1 30

AC Duct Design Borgwarner CFD 2 60

CFD PROJECTS

PROPERTIES OF FLUID

Density = 998.2 kg/m^3

Kinematic Viscosity = 0.62 m^2/s

Thermal Conductivity (W/m-K) = 0.6x10^-3

Specific Heat (J/kg K) = 4182

Average velocity = 13.8 m/s

Discharge = 0.12 m^3/s

CFD VOLUME

IMPELLER BLADE

MESHED MODEL

MID VOLUME

VELOCITY DISTRIBUTION

PRESSURE DISTRIBUTION

GRAPH

VELOCITY DISTRIBUTION AT

OUTLET SECTION

ASSEMBLY CUT SECTION

GAP REDUCTION MODEL

VELOCITY DISTRIBUTION

PRESSURE DISTRIBUTION

GRAPH

VELOCITY DISTRIBUTION

PRESSURE DISTRIBUTION

GRAPH

VELOCITY DISTRIBUTION AT

OUTLET SECTION

RESULTS

REVISION 3

AVG OUTLET VELOCITY 1.2M/S

REDUCED GAP

AVG OUTLET VELOCITY 1.4M/S

REDUCED BLADE ANGLE

AVG OUTLET VELOCITY 1.7M/S

HEAD - SIX CYLINDER

M/s. ASHOK LEYLAND LTD.

(ENNORE)

GLOCON SERVEN

FLOW ANALYSIS OF 20”

Trim Valve CFD Analysis

Pump Model

Extracted Fluid Domain

Given Conditions

•Fluid – Water

•Sp. Gravity – 1

•Inlet pressure – 4 Bar

•Differential Pressure – 1 Bar

•Temperature – Ambient

Sectional View

In Out

Inlet Boundary Condition

Pressure – 4 Bar

Turbulence Intensity – 5%

Outlet Boundary Condition

Pressure – 3 Bar

Wall Boundary Condition

Wall Influence On Flow – No

Slip

Wall Roughness – Smooth Wall

Domain Fluid – Water

Turbulance Model – K-E

Model

Repaired Surfaces

Meshed Domain Model

•No. of Nodes = 681484

•No. of Elements = 3079508

•Element Shape Used is

Tetrahedral

Solution Details

26 iterations

Time Taken for these Iteration is 2 Days

6 Hrs 30 Minutes

Streamline Flow (Isometric View)

In

Out

Streamline Flow (Front View)

In Out

Streamline Flow (Top View)

In

Out

Velocity Contour (Mid Plane)

In Out

Velocity Contour at Trim (Mid Plane)

Velocity Vector

In Out

Outlet Dia Vs Velocity

Mean Velocity = 2.506 m/s

Outlet Area = 0.166106 m2

Discharge = 1498.74 m3/hr

Calculations

Specific Gravity of Water (SG) = 1

Pressure Gradient (p1-p2) = 1 bar

Discharge (F) = 1498.74

m3/hr

Flow Factor (Kv) =

F*sqrt(SG/(p1-p2))

= 1498.739159

Flow Coefficient (Cv) = 1.16 Kv

= 1738.537

Total Pressure Contour

In Out

Total Pressure Contour at Trim

Result

Average Outlet Velocity After 26 Iteration –

2.5 m/s

Flow Coefficient After 26 Iteration -

1738.537

Note: Average Outlet Velocity After 6 Iteration - 2.786 m/s

Flow Coefficient After 6 Iteration - 1932.662

CAR BODY

BORG WARNER

AC DUCT DESIGN

BORG WARNER

1

X

Y

Z

0

.222848.445696

.668544.891392

1.1141.337

1.561.783

2.006

FEB 16 2005

10:50:08

VECTOR

STEP=7

SUB =1

V

NODE=350

MIN=0

MAX=2.006

1

X

Y

Z

0

.24761.49522

.74283.99044

1.2381.486

1.7331.981

2.228

FEB 16 2005

11:13:22

VECTOR

STEP=4

SUB =1

V

NODE=527

MIN=0

MAX=2.228

FEA

Radiation

Non-Linear Materials (Rubber, Composites)

Explicit Dynamics (Crash, Forming, Wrinkling)

Spring Back

Contact

Coupled Field (Fluid-Structure interaction

Thermal-Structural)

Vibration

Transient Radiation

Analysis AES USA

Volume of the Filament = 1.2e-005 m³ Total Heat Generated = 4.4 KW Heat Generated = Total Heat Generated / Filament Volume

= 3.67e8 W/m3

Heat Generation Calculation

Loading Conditions

Heat Generated on Carbon Filament - 3.67e8 W/m3

Emissivity of surfaces

Stefan Boltzmann Constant - 5.67e-8

Space Temperature - 22 Deg C

Material Emissivity values

Gold reflector 0.03

Carbon IR emitters 1.0

Aluminum chamber (Side Surface) 0.20

Aluminum chamber (Top & Bottom) 0.10

Steel supports 0.2

Transparent quartz glass 0.8

Transparent glass substrate 0.8

End Connector

Quartz Tube

Carbon Filament

Quartz Bulb

Temperature Contour near the End Connector (Sectional View)

Temperature Contour Showing Glass Substrate at 100 Secs

Temperature Contour Showing Glass Substrate at 100 Secs

Symmetry Side

Symmetry Side

Temperature Contour (Half Section) 100 Sec

Temperature Contour Showing Glass Substrate at 105 Secs

Temperature Contour Showing Glass Substrate at 105 Secs

Symmetry Side

Symmetry Side

Temperature Contour (Half Section) 105 Sec

Temperature Contour Showing Glass Substrate at 110 Secs

Temperature Contour Showing Glass Substrate at 110 Secs

Symmetry Side

Symmetry Side

Temperature Contour (Half Section) 110 Sec

Temperature Contour Showing Glass Substrate at 200 Secs

Temperature Contour 200 Sec

Steps Time [s]

[A] Outer

Corner

[°C]

[B]

Corner

on Z

Direction

[°C]

[C]

Center of

Full

Glass

Plate

[°C]

[D]

Corner

on X

Direction

[°C]

1

0. 22. 22. 22. 22.

15.385 22.281 22.322 22.259 22.244

25.385 23.631 23.855 23.493 23.419

35.385 28.27 29.108 27.724 27.437

45.385 35.242 36.936 33.939 33.298

57.549 49.474 52.835 46.553 45.01

69.472 72.531 78.451 66.948 63.582

80.46 101.69 110.68 92.77 86.851

91.447 136.15 148.49 123.24 114.28

124.02 306.02 326.86 271.68 248.7

149.54 488.91 509.52 430.42 396.58

169.23 636.02 651.53 560.56 522.37

188.93 755.43 762.85 669.48 634.79

200. 813.14 815.56 723.08 692.71

Model > Glass Temperature

Temperature Change in Glass Plate

A B

C D

Time

100 S 102.5 S 105 S 107.5 S 110 S

1 160.01 171.17 182.33 193.5 204.66

2 167.53 179.09 190.64 202.19 213.74

3 170.14 182.33 194.25 206.17 218.09

4 174.89 186.84 198.79 210.73 222.68

5 176.35 188.58 200.81 213.04 225.27

6 184.95 197.63 210.3 222.98 235.66

7 185.46 198.2 210.93 223.66 236.39

8 190.49 203.54 216.59 229.64 242.69

9 180.65 192.92 203.18 217.44 229.7

Location Vs Temperature

0

50

100

150

200

250

300

1 2 3 4 5 6 7 8 9

Location

Tem

pera

ture

(D

eg

C)

100 S

102.5 S

105 S

107.5 S

110 S

Temperature Change Middle X-Axis

Hyper Elastic Problems

SEAL ANALYSIS

CHANGEPOND

FLORA ELASTOMER

Result for rubber seal

compression Displacement

max(radial)

Stress max

0.2mm 0.2545mm 0.3051 N/mm2

Result for steel rubber seal

compression Displacement

max(radial)

Stress max

0.2mm 0.1143mm 2.682 N/mm2

Door Seal Analysis

CRASH

CO2 PUMP

THAR TECHNOLOGIES

MESHED MODEL

PUMP-APPLIED PRESSURE

AREA

STRESS DISTRIBUTION IN THE

PUMP AT 14000 PSI

FILLET GEOMETRY

PRESSURE AREA IN THE PUMP

WITH FILLETS

STRESS DISTRIBUTION IN RE-

DESIGNED PUMP

MANIFOLD MESHED MODEL

MANIFOLD-AREAS SUBJECTED

TO PRESSURE

STRESS DISTRIBUTION AT

12,000 PSI

STRESS DISTRIBUTION AT

14,000 PSI

DEFORMATION

(EXAGIRATED)

HITCH OPTIMIZATION

Testforce (N) 5700 Dynamic

Testforce sideways (N) 4479.25 Static

Testforce vertical (N) 7072.25 Static, downwards

LOADING CONDITIONS

SHAPE CONDITION

WEIGH

T

(Kg)

STRES

S

(MPA)

DEFLECTION

(mm)

PIPE SECTION INITIAL 0.543 25.3 0.025

OPTIMIZED 0.426 51.3 0.038

RECTANGULAR INITIAL 0.594 36.9 0.018

OPTIMIZED 0.481 49.5 0.028

I SECTION INITIAL 0.527 20.1 0.021

OPTIMIZED 0.385 51.8 0.034

RESULT REVIEW

HOT COKE CAR

FRAME ANALYSIS

FFE MINERALS

Deflection- overall

RESULTS

MAXIMUM DEFLECTION IN

THE FRAME IS ON = 5.255 mm

THE BASE CROSS MEMBERS

MAIN MEMBER DEFLECTION = 2.628-3.28 mm

STRESS INDUCED IN = 50-75 N/mm2

THE MAIN BEAM IS

STRESS INDUCED = 110-150 N/mm2

IN THE CROSS BRASS

MAXIMUM STRESS INDUCED = 573.484 N/mm2

SKID ANALYSIS

DURR INDIA

ETC MOTOR

VESTEON

DENTAL PROJECTS

FEA FOR BIOMEDICAL

ENGINEERING STRESS ANALYSIS OF

EYE BALLS

BONES

TEETH

LOAD BEARING CAPACITY OF IMPLANT AND PROSTHETIC SYSTEMS

MECHANICS OF HEART VALVES.

IMPACT ANALYSIS OF SKULL

DYNAMICS OF ANATOMICAL STRUCTURES.

MANDIBLE BONE GENERATION

Dr.RAMESH

RAGAS DENTAL COLLEGE

CAST PARTIAL

DENTURE

Dr.HARI

SAVEETHA DENTAL COLLEGE

Dr.RAJKIRAN

SAVEETHA DENTAL COLLEGE

CAP SUPPORT ON 2ND

MOLAR AND CANINE AND

CENTRAL INSISOR

CAP SUPPORT ON 2ND

MOLAR AND CANINE WITH

50% BONE LOSS

CENTRAL INCISOR Dr.RAISON

SAVEETHA DENTAL COLLEGE

Dr.RAISON

SAVEETHA DENTAL COLLEGE

DISTRACTION OF

MAXILA BONE

Dr.NAREN

SRI RAMACHANDRA MEDICAL COLLEGE

Comparison of Straight

and Inclined Abutment on

a 4 implant Mandible

Dr.Anshu

SRI RAMACHANDRA MEDICAL COLLEGE

Analysis of Central Insisor

with and without Ferrule

Dr.Arthi

Titanium without Ferrule

Comparison Between

Screw and plate

connection on a mandible

Dr.Romita

Bridge

Dr.Lin

Bridge Implant

Dr.Lambodaran

Cantilever Bridge Implant

Dr.Abijitha

Two Piece Implant

Dr.Karthikeyen

Max torque for Material

removal with Protaper

Files

Dr.Sihivahanan

Effective en-masse

retraction design with

orthodontic mini-implant

anchorage Dr.Ashok

Mandible over denture

Dr.Ramakrishna

en-masse retraction

design with varying loop

design

Dr.Raghu

Maxila with Denture

supported on 4 implants

Dr.Imran

THANK YOU