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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH Supporting the Noise and Vibration
NeedsToshiro Abe
PresidentESTECH Corp.
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Company ProfileCompany Profile
Name: Estech Corporation
Engineering Solution and Technology
Location: Yokohama,Japan
Established: February28,1989 Employees: 45(as of November, 2001)Shareholder:
Mechanical Dynamics Inc.(100%)
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
SystemSystem--Level Prototype MarketLevel Prototype MarketBuild, Test, & RefinementBuild, Test, & Refinement
Technology Enhancement Technology Enhancement MDI+ESTECHMDI+ESTECH
Software Prototyping(Virtual Prototyping)
embly
Packaging
Mock-upMotion/
HandlingNoise/
VibrationDurability/
FatigueControls/
Safety
ESTECH
Hardware Prototyping(Physical Prototyping)
Ass
Modeling ...
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Synergy by “ MDI+ESTECH ”
MDI/MDJESTECHADAMS Appl.ADAMS Appl.
ESTECH MDI/MDJ
Structural & FatigueStructural & Fatigue
NVHNVH
Heat Xfer & Thermal FlowHeat Xfer & Thermal FlowStamping,Forging & CastingStamping,Forging & Casting
Advanced FDPAdvanced FDP
Advanced ADAMSAdvanced ADAMS
Physical WorldFunctional Digital
PrototypingFunctional Digital
Prototyping
Experimental Capability
FE AnalysisFE Analysis
ADAMS Toolbox
Physical World
SynergySynergy
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH Business Activities ESTECH Business Activities --11--
Engineering ConsultingSolve mechanical problems by the combination ofTEST and COMPUTER ANALYSIS
- continued -
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
CAD/CAM/CAE/CATCAD/CAM/CAE/CAT
CAD/CAM
CAECAT
ESTECHESTECHESTECHESTECH
CustomerCustomer
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Valuable CAE DIAMONDValuable CAE DIAMOND
RPC Pro Fatigue ToolsEmpirical Dynamics Modeling
Integrated ADAMS loads transfer to FE-Fatigue tools
FE-Fatigue
Virtual Test Laboratory
Customer
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH ServicesESTECH Services
1. Testing (Modal,Noise & Vibration,Strain)2. FE and/or ADAMS model creation3. Design validation and mechanical problem
prediction for product design and manufacturing process
4. Trouble shooting5. Training for client’s engineers focussing on
problem solving utilizing CAE tools
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH PhilosophyESTECH Philosophy
The essence of CAE lies in its synergy with
Testing
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Analysis Model Creation•FE Model•ADAMS Model
Analysis Model Creation•FE Model•ADAMS Model
Testing(1)Clarify Phenomena(2)Model Development(3)Correlation
Testing(1)Clarify Phenomena(2)Model Development(3)Correlation
(1),(2)
ESTECH Analysis & Simulation ESTECH Analysis & Simulation ProcedureProcedure
(3)Accuracy Check/CorrelationAccuracy Check/Correlation
Parametric Study/Sensitivity AnalysisParametric Study/Sensitivity Analysis
Propose Optimized DesignPropose Optimized Design
The essence of CAE lies in its synergy with TestingThe essence of The essence of CAECAE lies in its synergy with lies in its synergy with TestingTesting
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH TechnologiesESTECH Technologies
Noise & Vibration Analysis and TestLinear & Nonlinear Structural AnalysisDurability AnalysisMechanical System Dynamics AnalysisThermal & Thermal Flow AnalysisStamping, Casting & Forging Analysis
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Technology SegmentTechnology Segment
0
100
200
300
400
500
600
700
800
900
1996 1997 1998 1999 2000
FE Modeling/ Training,etcThermal- FlowMechanismTest ing onlyDynamics(NVH)Stat ics (Linear/ Non- linear)
Million Yen
Categorized Revenue by Technical Fields
Fiscal Year (APR- MAR)
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
39%
9%7%
4%
5%
28%
2%6%
Autom otive & Parts
Ship & Transpot M achinary
Railway
Aerospace
Industrial M achinary
Electronics, O ptics & O thers
Am usem ent M achinary
C onstrution・C ivil Engnrg/O thers
Industrial SegmentIndustrial Segment
Automobile&Parts:39%
Transportation Machinery:9%
Railway:6%Aerospace:4%
Industrial Machinery:5%
Amusement Machinery:2%
Construction Machinery:6%
Electric, Electronics &Precision Machinery: 28%
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
・Data Acquisition System/ HP EWS+HP35650-32chGateway PC+B&K IDA-64chCompaq PC+ HP35650-24chDEC PC+HP VXI-64ch
・Portable FFT/Ono-Sokki CF-3200,3400・Shaker Controller/ IMV RC1120・Shaker/ Modal 50 (4sets),VTS100(2sets),US-2(2sets)・Hammering Kit /B&K,PCB,DYTRAN・Charge Amplifier/ B&K, etc.・Laser Doppler Vibrometer/Polytec OFV3001・Strain Gage/ Kyowa (-5K,-10K)・Force Gage, Acceleration Pick-up /B&K,PCB,YAMCO etc.・Microphone/B&K、 Intensity Probe/Ono-Sokki・SGI O2+MTS Sound Quality System・DAT Recorder /TEAC、SONY・Excitation Rooms (2 rooms)・A Semi-anechoic Chamber
Test Site & Equipment
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Computer ResourcesComputer ResourcesComputer Hardware
・SGI ORIGIN2000 ・SGI ( Octane and others,22sets ) ・HP9000 (180CX and others,17sets) ・PC/AT[Windows] (Hitachi, Dell, 8sets) ・Macintosh (56sets)
Computer Software ・SDRC/I-DEAS Master Series ・ANSYS ・MDI/ADAMS ・HKS/ABAQUS ・MSC/NASTRAN ・MSC/MARC ・MTS/Sound Quality ・MTS/Noise Path Analysis ・MTS/Vibro Acoustics ・MTS/SMART・MTS/FSI ・MTS/CORDS, FRFCORR
・ESTECH/RIDE(Nonlinear Subroutine for NASTRAN) ・ESTECH/NASDAS(NASTRTAN/I-DEAS Data Loader)
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Number of Projects Number of Projects Conducted byConducted by
ESTECHESTECH
In past 12 yearsESTECH Conducted
more than1500 projects
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH Past Project ESTECH Past Project Case History 1Case History 1
Noise & Vibration AnalysisNoise & Vibration Analysis
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Noise & Vibration Analysis Noise & Vibration Analysis of of
a Hydraulic Vane Pumpa Hydraulic Vane Pump
OBJECTIVE:
To identify the noise generating mechanism of a hydraulic vane pump and predict the effect of its design modification
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9Noise & Vibration Analysis Noise & Vibration Analysis of of
a Hydraulic Vane Pumpa Hydraulic Vane Pump
Experiment
Vibration Mode
rpm rpm
rpm
Acc
eler
atio
n Le
vel
Acc
eler
atio
n Le
vel
1st 1st2nd
2ndTest Analysis
Ejection timing Optimization
Base Line
Optimized
Acc
eler
atio
n Le
vel
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Modal Test and Analysis Modal Test and Analysis of a Vehicle Bodyof a Vehicle Body
OBJECTIVES:
1. To obtain the accurate vehicle body FRF data through artificial excitation.
2. To extract reliable dynamic characteristics of the vehicle body by curve-fitting measured data.
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Modal Test and Analysis of Modal Test and Analysis of a Vehicle Bodya Vehicle Body
Excitation Points: 4 PointsMeasuring Points:
300 Points x 3 Directions
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH Past Project ESTECH Past Project Case History 2Case History 2
ABAQUS ApplicationABAQUS Application
-- Nonlinear Analysis Nonlinear Analysis --
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Fatigue Test & Analysis of ForkliftFatigue Test & Analysis of ForkliftOBJECTIVES :1. To investigate maximum strain value of
forklift frame during its operation over a hump.
2. To investigate the operating mode shape of the frame at the instance when maximum strain is detected.
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
フォークリフトの写真
Operational Test
Fatigue Test & Analysis of ForkliftFatigue Test & Analysis of Forklift
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
A Laptop Computer Drop TestA Laptop Computer Drop Test
OBJECTIVES:1. To investigate maximum acceleration value
of hard disc caused by drop impact.
2. To investigate the operating mode shape of the laptop computer caused by drop impact.
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
A Laptop Computer Drop TestA Laptop Computer Drop Test
- 5 0 0
0
5 0 0
1 0 0 0
1 5 0 0
0 5
2
● testanalysis
A peak by rebound of bottom plane
Time(ms)1510
■
Behavior of bottom plane by impact
Correlation between Test and Analysis
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Exhaust manifold Thermal strain Analysis
OBJECTIVE:
To predict failure point and strength of exhaust manifold during the following engine running test condition
engine idling ⇒wide open throttle⇒ engine stop⇒engine idling⇒wide…・
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Exhaust manifold Thermal Strain Analysis
Measured Temperature distribution on exhaust manifold
Analysis Result( large plastic strain is concentrated at junction of four tubes. this region are predicted to crack )
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
ESTECH Past Project ESTECH Past Project Case History 3Case History 3
ADAMS ApplicationADAMS Application
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
GakuGaku--GakuGaku SimulationSimulation
Engine Ignition Timing Control
-Vehicle Fore-Aft Shock Reduction-
Engine MountsDrive Train
Correlation Result
Recommendation
Design Modification
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Gear Rattle SimulationGear Rattle Simulation
Reduction of Noise&Vibration
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Vehicle Harshness AnalysisVehicle Harshness Analysis
ADAMSADAMS Vehicle Harshness Vehicle Harshness AnalysisAnalysis
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Machinery DynamicsMachinery Dynamics- ADAMS + Flexibility -
ADAMS + NASTRANNASTRAN + MATLAB
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Asia Pacific Operations
2001 Korea ADAMS User Conference, 2001. 11. 8~9
Thank you very much !!Thank you very much !!Please contact: