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Process Equipment Design Validation using Cosmos
FEA - Sales and Technical Support
in India since 1997
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Cosmos
FEA
has found numerous applications in Petrochemical, Textile and allied
industries. Renowned process industries
world-wide have adopted Cosmos FEA to enhance life expectancy, reduce
cost and
improve reliability and efficiency of sub-systems and components. Some of the capabilities of Cosmos FEA
include:
- Stress and
deflection calculations for pressure vessels, agitators, environment
tanks,
process equipments and comparison to ASME code
- Nozzle
stress calculations
- Wind-loading,
Hydro-static pressure testing of process equipments and qualification
of
equipments to seismic excitation based on zonal classification
- Heat
transfer simulation of heat exchangers (plate type, shell-and-tube
type,
air-cooled), super-heaters, evaporators, condensers, cooling tanks,
boilers,
distillation columns and chillers
- Fluid-induced
vibration simulation of columns, tube bundles, pipe supports among
others
- Life
expectancy calculations for dryers (static and rotary), centrifuges,
rotating
equipments and load-bearing members
- High-temperature
applications involving seals and gaskets
- Stiffness,
stress and life calculations for expansion joints
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Why should
Cosmos FEA be used when Codes such as ASME, TEMA, EJMA among others,
are available?
Statement in ASME Section VIII Division II clarifies this often-asked
question on the relevance of FEA vis-a-vis standards.
Additionally, Standards have started incorporating FEA result
interpretations for validating designs, considering the accuracy of FE
Technology. However, the accuracy of the results depend on
inpretations by qualified and trained FE experts with knowledge of
theory and practical application experience.
As stated in the foreword of the Section VIII Boiler and Pressure
Vessel Code Book, "The rules established by the Committee are not to be
interpreted as approving, recommending, or endorsing any proprietary or
specific design or as limiting in any way the manufacturer's freedom to
choose any method of design or any form of construction that conforms
to the Code rules." In other words, the Codes and Standards
Division does not "approve", "certify", "rate", or "endorse" any item,
construction, proprietary device or activity.
Finite Element Analysis refines design parameters arrived at based on
Codes. FEA technology helps validate designs where-in closed-form
solutions and safety factors cannot be arrived at, for example,
transitions between circular and rectangular cross-sections at
different angles of their axes.
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Benefits of FEA for Process Equipments Designed using Codes
- Analysis of a combination of events such as
Wind-loads, Process loads, self-weight and thermal loading
- Response to Seismic excitation
- Hydro-static testing
- Value Engineering of designs for least cost while
enhancing durability
- 3D stress analysis results in accurate understanding
of the physical phenomena
- Cost reduction is possible from inception of the
project - at the Design Stage itself
- Accurate and reflects real-world situations
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