Knorr-Bremse Group

An internal-developed tool for FKM-based assessment of solid models

Strength assessment with Iridescent4D

Ádám Rokonay

Knorr-Bremse Railway Systems Budapest

Knorr-Bremse Group

Strength assessment with Iridescent4D

Hyperworks @Knorr-Bremse Railway Systems Budapest

• HyperMesh/HyperView

• Pre-processing

• Post-processing

• Technical Analysis Team

• HyperMesh/HyperView

• Optistruct

• InspireCast

• Others…

• 10+ years experience

• Design department

• HyperViewPlayer

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Knorr-Bremse Group

Strength assessment with Iridescent4D

Hyperworks @Knorr-Bremse Railway Systems Budapest

• HyperMesh/HyperView

• Pre-processing

• Post-processingAutomation (Tcl/Tk via API)

• Semi-automized model setup → Process Studio

• Semi-automized (strength) assessment → Iridescent4D

3

Knorr-Bremse Group

Strength assessment with Iridescent4D

• Semi-automized (strength) assessment → Iridescent4D

• Motivation

• Reduce common user errors while…

• copying data

• repeating boring tasks

• using a general software (HyperView)

• Speed-up evaluation process

• finding hot-spots

• calculating stress gradient

• Create an environment where engineers can focus on underlying causes

• Commercial Softwares are available but…

• Codes applied

• FKM

• SWL99 → not a well-known method (not available)

• additional costs

• not exactly according to our needs

• HyperLife

• An Altair product for strength assessment

• FKM code included

• Under development…

4

Knorr-Bremse Group

Strength assessment with Iridescent4D

• Semi-automized (strength) assessment → Iridescent4D

• Capabilities

• Embedded application for HyperView

• Interactive connection with FEA results

• 3D solid element models

• Assessment according to the FKM Guideline (and SWL99)

• Automatic hotspot detection

• Automatic data collection from FE model

• First offer with default values

• Total control over assessment parameters

• Wide range of materials available

• Automatic export of assessment results

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Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Input

+

Parameters

=

Calculated

Values

FEA input

User input

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Knorr-Bremse Group 15

Knorr-Bremse Group

Knorr-Bremse Group

Knorr-Bremse Group

Summary

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• 3+ years user experience

• Originally developed for BUD but now it is used worldwide within KB Group

• Further functionalities under development

• Knowledge collected is useful when smaller macros are required

Knorr-Bremse Group

Thank You for your attention!

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