,DS Simulia XFlow 2017x Dassault Systèmes Simulia annouce the release of a new patch for XFlow 2017 version. This solution is a powerful CFD technology that uses a proprietary particle-based, fully Lagrangian approach to handling traditionally complex CFD problems in engineering, design, science, and architecture with ease. XFlow provides the ability to simulate the flow of gases and liquids, heat and mass transfer, moving bodies, multiphase physics, acoustics and fluid structure interaction.