Calculation, Simulation and Analysis

Civil engineering works and buildings

Building on BS&A's experience in the field of infrastructure, we offer a complete range of services to architects, contractors and project owners. We carry out all simplified studies for pre-dimensioning as well as advanced studies to validate the design of structures.

BS&A is specialized in the study of extreme loads (explosions, impacts, shocks, tornadoes, earthquakes) and their effects on the entire infrastructure, including finishing elements such as glazing, frames, doors and ventilation systems.

Explosion Vulnerability Assessment

BS&A conducts comprehensive audits to assess the vulnerability of infrastructures to the risk of man-made or industrial explosions: risk analysis, structural and glazing vulnerabilities, consequence mapping, etc.

Our teams of blast & impact engineering experts study all the consequences on people, property and infrastructure and propose an action plan to increase the levels of protection in accordance with your standards.

Design of protective solutions

BS&A studies and designs special systems, designed to withstand the most severe dynamic stresses in order to guarantee the continuity of site activities and the protection of workers.

BS&A is able to characterize blast and debris loads, model materials and analyze penetration, blast and thermal effects.

Calculation and numerical simulation services

We offer numerical calculation and simulation services using our physics-based material models and feedback. Calculation methods are varied and can use CPU or GPU computing.

The phenomena studied are:

  • Computational solid dynamics (CSD)
  • Computational fluid dynamics (CFD)
  • Detonics
  • Multiphysics coupling

Services can include CAD, meshing, calculation on a wide range of software (LS-DYNA, ANSYS, IMPETUS, ELS or public codes), verification and delivery of a study report.

Composite

Particle Method

Projections

Shockwave development

Progressive collapse

Exemples récents d'étude

• Sizing of glazing and frames in the face of explosions

Glazing and glass systems account for 80% of the causes of death in the event of a military or industrial explosion. BS&A supports you in validating, by calculation or by test, the resistance of your glass assemblies subjected to explosions, for PPRT, SEVESO subjects or for risks of malicious origin.

• Design of non-standard equipment and structures

We work for manufacturers to validate systems designed to withstand extreme stresses. These studies are carried out by numerical simulation, which makes it possible to study with precision the development of shock waves, the acceptable stresses in the structures and the consequences of the projections associated with these phenomena.

Development of engineering tools

BS&A offers the development of tools for original solutions to extreme problems through a commitment to excellence and innovation. BS&A also relies on quality partners to guarantee the complete study of the phenomena to be reproduced.

Expertise and counter-expertise

BS&A brings its know-how and tools for the proofreading of calculation notes or for conducting independent assessments, whether in the event of a claim or to confirm a technical position to a non-knowing public.

Our experience and quantitative study resources are a real added value to provide a qualitative response.

Recent Study Examples