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This paper aims to show how it is possible to blend a Tool Chain approach with a Model Based Engineering Environment approach during preliminary phases of a space project. Attention is not focused on the whole spacecraft lifecycle but on a preliminary phase that is very helpful in itself to test methodology, technologies and processes. This blended model may allow for cost reduction and reduced development times along the supply chain whereas there are heterogeneous IT systems and tools. The aim of this work has been to make engineering data exchange among different engineering groups easier whilst guaranteeing compliancy to a common spacecraft data model. This methodology has been applied to a test case comprising the preliminary design of a Pressurized Lunar Rover (PLR).

It is widely recognized that Virtual Reality (VR) environment fosters team performance and design quality in addition to provide time and cost savings in the frame of verification processes. The selected case studies described in this paper are based on the experience matured in the frame of the interaction between TAS-I HFE and other expert groups for MSP/PEI stage analysis performance in support of the COLUMBUS internal and external payloads overall operability. The selected case studies will be used for demonstrating and evaluating results, guiding the new emerging engineering system architecture, by integrating tools, methods and processes in the frame of the TAS-I Concurrent Design Facility (CDF) implementation for Aerospace applications.