Reduce Field Failures with COSMOS™ Analysis
Tools
Poll
•
I have used COSMOSXpress
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–
•
Yes
No
I am a COSMOSWorks user
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–
–
Yes
No, I do not use any analysis tools
No, I use other analysis tools
Agenda
•
What is field failure?
• What is Design Analysis and how it can help fix
product design flaws and reduce failures?
• Design analysis in five simple steps
• Q&A
What is Field Failure?
•
When a product does not meet the intended
performance requirement it is considered to have
failed
• Failures can be local – part level or catastrophic
– system level
• Product failures can sometimes lead to loss of life
Turbine: Helical shaft failure
Torsion Failures
(ductile material behavior)
Engine Shaft
Torsional Buckling
Engine shaft/bearings
Turbine
Gross Plastic Deformation
(GPD)
Material is misshapen, stretched,
or deflected beyond its elastic limit
Brittle
Ductile
(Necking)
Note
Shear Lip
Ductile & Brittle Failures Formation
in Tension
Fatigue (Stress Riser)
Chunk Failure
Fatigue Zone
Origin
Fatigue Failures
Wing Carry Through Beams
(Inflight failure)
Rotor Mast
Bending Deformation and
Failures
Pitch Control Rod
(Crash impact forces)
Buckling
Why Do Designs Fail?
•
•
•
•
•
Errors in Design or manufacture
Excessive loads during catastrophic events
Insufficient Technical Knowledge
Material deficiencies
Operational errors
Agenda
•
What is field failure?
• What is Design Analysis and how it can help fix
product design flaws and reduce failures?
• Design analysis in five simple steps
• Q&A
What is Design Analysis?
•
Design analysis is ability to simulate
prototype-test iterations and optimize
designs on computer without building
physical prototypes
Design
Analysis
Final testing
Production
Scope of Design Analysis
•
Reduce Prototypes
– Does this design work?
– Does this design behave the way I think it does?
• Improve product quality, innovative designs
• Relative Merit
– Which of these candidate designs appears to be
the best?
– Weed out the lesser designs
• Failure Analysis
Why Invest in Design Analysis?
Improve Product Quality
67%
Avoid Field Failures
59%
Reduce Number of Prototypes
56%
Send an email to sjain@solidworks.com to
obtain a free copy of this report
Comments From Companies Using
Design Analysis
•
Don Bartlett, Senior Staff Engineer, Fanuc Robotics, NA
“The biggest advantage was timesaving over our previous
methods. COSMOS is so fast and easy to use that we were
able to make the 20 analysis runs that were required to
understand the problem and solve it"
•
Greg Dato, Kinemetrics Inc. Pasadena, California
"With COSMOS we saved at least 2 months and thousands of
dollars in wasted hardware. By using COSMOS integrated with
our CAD system, we can electronically test multiple designs,
then typically build just one prototype."
•
Karsten Hoffman, Project Leader, Dräger, Germany
“Using COSMOSWorks means that we can run calculations on
the various design approaches during the design stage easily
and quickly. We can then compare them against one another.
Otherwise, we would have to either send the calculation work
outside or build real prototypes so that we can carry out precise
measurements
Agenda
•
What is field failure?
• What is Design Analysis and how it can help fix
product design flaws and reduce failures?
• Design analysis in five simple steps
• Q&A
Modify, Update, Refine
Design Analysis Process
1.
2.
3.
4.
5.
Geometry definition.
Define component materials.
Define physical situation with
boundary conditions.
Mesh & run the analysis (solve the
system of equations).
View and evaluate the results.
Example – Analyzing a Connecting
Arm
You will learn:
•
Starting COSMOSWorks
• Learning the basic steps of design analysis
• Assessing the safety of the design
• Change the geometry and recompute the stresses
50 lb Force
Fixed
Material: Alloy Steel
Products
COSMOS/Works
• Stress
• Thermal
• Frequency & Buckling
• Optimization
COSMOS/Motion
• Motion simulation
COSMOSFloWorks
• Computational fluid dynamics
COSMOS - Complete Analysis Portfolio
Static
Vibration
Motion
Thermal
Nonlinear
Flow
Optimization
Electromagnetic
Post-dynamics
Poll
•
This webcast was informative.
–
–
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Agree
Somewhat agree
Disagree
How was your viewing experience?
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Good
Average
Poor
Agenda
•
What is field failure?
• What is Design Analysis and how it can help fix
product design flaws and reduce failures?
• Design analysis in five simple steps
• Q&A
Thank You!
•
Visit the SolidWorks website at
http://www.solidworks.com to learn more about
SolidWorks and its product offerings.
• Contact your local SolidWorks reseller for
information on pricing and training. To find a
reseller in your area call:
–
–
•
1-800-693-9000 (US and Canada)
+1-978-371-5011 (Outside the US and Canada)
My email address: < >