Large amounts of data that are generated by modern engineering applications can be efficiently managed using database technology. Data management can be considerably improved in a database system compared to conventional applications. This work integrates a database management system (DBMS) with an engineering application for analysis of multibody systems. The application simulates systems of multiple moving and colliding bodies using discrete and finite element methods.

Initially, a relational database management system has been used through the JDBC API in a pure discrete element method application. A current extension of this system couples discrete and finite element methods and takes advantage of an object-relational database management system (ORDBMS) that can be embedded within the application. This ORDBMS is a lightweight main-memory DBMS suitable for computational-intensive applications. An extensible and object-oriented query language supports efficient data management capabilities.

Examples show how the DBMS improves the accessibility of data and how a query language can be used for retrieving and evaluating analysis results. The implementation uses Java technology, specifically core Java, JDBC, Java 2D and Java 3D.

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