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Software independence: impact on automotive product development process

Annarumma M., Naddeo A., Pappalardo M.

Journal of Achievements in Materials and Manufacturing Engineering

2008

Vol. 31, nr 2

725-731

Purpose: Currently, in automotive industries one of the most important works in product design is the evaluation of crash events using FEM simulation; in this context, software independence, that means to obtain the same simulation results on the same vehicle-model using different FEM solvers, will be useful for reducing virtual prototyping time and consequently Time To Market. Design/methodology/approach: The carrying out of a software-independence translation methodology is the aim of this work, which is an input data translation by a methodology independent of the CAE calculation environment and allows reducing significantly the product development time. This methodology will be developed by routines written ad hoc in Matlab language, that carries back in LS-DYNA environment the cards written in RADIOSS environment, supported by TextPad editor and completed by pre-processor Hypermesh. Findings: The translation could be made using the pre and post-processor Hypermesh and the RADIOSS model card manual correction, but this way working increases greatly the Time To Market, although today it is the only procedure used in the most important Italian automotive industries. Research limitations/implications: Most of crash simulation models are carried out in RADIOSS environment, but the LS-DYNA environment potentialities exploration has increased the simulations demand using LSDYNA software; therefore the development of a translation methodology like that satisfies this requirement. Practical implications: Software independence in Virtual Prototyping could accelerate several processes, bringing many benefits such as the reduction in product development time and in real prototyping costs and the increase in quality, carrying out more competitive product on the market. Originality/value: The carrying out of a translation methodology, that allows to carry back in a software environment the Know How developed for another software environment, will provide considerable industrial advantages for vehicle designers (We've to remind that often many design tasks of a project are made in outsourcing way).

Software independence: impact on product development plan in automotive industries

Annarumma M., Naddeo A., Pappalardo M.

Journal of Achievements in Materials and Manufacturing Engineering

2006

Vol. 18, nr 1-2

431--434

Purpose: Purpose of this paper: Actually, in automotive industries one of the most important activities in product design is the evaluation of various events (i.e. crash events) using FEM simulation; in this context, software independence, that means to obtain the same simulation results on the same car-model using different FEM solvers, will be useful for reducing virtual prototyping time and consequently Time To Market. Design/methodology/approach: Development of a software-indipendence translation method is the aim of this work, which is an input data translation by a methodology independent of the FE calculation environment and allows reducing drastically the product development time. This methodology will be developed writing ad hoc a routine in Matlab language, that carries back in LS-DYNA environment the cards written in RADIOSS environment, helped by TextPad editor and completed by pre-processor Hypermesh. Findings: The translation could be executed using the pre and post-processor Hypermesh and the RADIOSS model card manual correction, but this way to operate increases greatly the Time To Market, although today is the only method used in the most important Italian automotive industry. Research limitations/implications: A Software independence in Virtual Prototyping could help to accelerate several processes. The need to reduce costs and to increase quality is nearly obvious. Practical implications: Most of crash simulation models are developed in RADIOSS environment, but the LS-DYNA environment potentialities exploration has increased the simulations demand using LS-DYNA software; therefore the development of a translation method like that meets this requirement. Originality/value: For product designers, the development of a translation methodology, that allows to carry back in a software environment the Know How developed for another software environment, will be very useful (We’ve to remind that often many design tasks of a project are made in outsourcing way).