Geometry & boundaries
Drawings, CAD, sketches, support conditions, constraints and known simplifications.
Services
Blast, VCE & Impact Simulation
Dynamic simulation support for accidental explosion, vapor-cloud-explosion, impact, and impulsive loading scenarios affecting structures and industrial systems.
Buyer problem
Pressure waves · structural response · vulnerable regions
Accidental explosion or impact loading often governs local failure, support response, flange rotation, or damage progression — and hand methods cannot resolve the local deformation sequence or interaction between components.
Method
Axis uses Abaqus/Explicit workflows, pressure-time loading, CEL/ALE where appropriate, nonlinear material models, contact definitions, and response-history review to evaluate deformation, damage indicators, critical zones, and comparative mitigation options.
Deliverable
Outputs can include displacement histories, stress/strain demand, plastic strain or damage indicators, pressure/load assumptions, vulnerable-zone maps, retrofit comparison, and a technical report suitable for engineering discussion.
Value
The work helps teams move from a broad hazard scenario to the specific structural regions that require reinforcement, layout review, shielding, inspection, or more detailed assessment.
Typical inputs
What we need to scope this service.
Materials & loading
Material grade, available test data, load history, temperature, pressure, blast/VCE or operating assumptions.
Decision objective
What the simulation must answer: local stress, damage indicator, comparison, screening, report or research evidence.
Technical depth
How Axis scopes dynamic response under impulsive loading and explosion-driven vulnerability.
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When this service is needed
Use this path when accidental explosion, vapor-cloud explosion, impact or pressure-pulse loading may control local failure. The concern may be a bridge element, tank support, flange, pipe transition, equipment support, retrofit layer, blast shield or vulnerable connection zone.
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Modelling depth
Depending on the question, the work may use pressure-time histories, reflected pressure and drag components, Abaqus/Explicit dynamic response, CEL/ALE modelling for selected blast problems, contact, material damage, local plasticity and post-processing of displacement, reaction, strain and damage histories.
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Verification controls
The analysis is checked through load timing, impulse consistency, boundary-condition reasonableness, contact stability, energy behavior, time-history outputs, mesh sensitivity around critical zones and comparison against expected structural response mechanisms.
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Client value
The output helps clients identify vulnerable regions, compare strengthening options, screen local details, understand support or connection demand and translate dynamic response into practical inspection, retrofit or design-decision questions.
Typical inputs
- Explosion or pressure scenario, standoff and load definition where available
- Geometry and support conditions
- Material grade and damage/plasticity assumptions
- Acceptance concern: deformation, local failure, residual capacity, leakage risk or retrofit comparison
- Required reporting depth and confidentiality constraints
Scoping note
The level of modelling is selected after reviewing the engineering question, available data, uncertainty and required decision. Axis does not recommend high-complexity simulation when a simpler verified check is more appropriate.
Related proof
Relevant case studies.
CFRP-strengthened masonry arch bridge under close-range blast
Peer-reviewed Abaqus/Explicit CEL blast simulation of a CFRP-strengthened masonry arch bridge, with JH-II masonry, Mohr–Coulomb backfill, JWL TNT and VUMAT-based material implementation.
VCE-Driven LNG Vessel–Pipe–Flange Vulnerability
Nonlinear structural–environmental assessment linking VCE-induced local deformation in a connected LNG vessel–pipe–flange system to credible cryogenic-spill initiation regions.
Scope a blast, VCE & impact simulation problem.
Send available files and the engineering question. Axis FEA will respond with a suitable analysis route and required inputs.