Define geometry and materials
Import and inspect regions, interfaces, dimensions and material assignments.
FragDyn · Fragmentation initial-condition workbench
Generate fragmentation initial conditions for transient solvers
FragDyn constructs the initial state from geometry, materials, fragment populations, launch conditions and gas-state data, then projects that state conservatively onto the target computational mesh.
FragDyn stops at initial-condition export. Time integration, fragment tracking and fluid dynamics are performed by the downstream solver.
Source definition → solver-ready initial data
Geometry & materialsRegions, interfaces, material assignment
Fragment populationMass/size statistics and initial kinematics
Gas stateThermodynamic state and composition
Physical closureMass, momentum and energy consistency
Mesh projectionConservative transfer to target cells
Initial-condition exportMesh fields and dispersed-population data
Geometry & materialsCAD/profile input, regions and material definition.
Fragment initial stateExplicit or statistical populations with initial kinematics.
Conservative projectionMap mass, momentum and energy to the computational mesh.
Initial-condition exportDeliver mesh-resolved fields and dispersed-population data.
What FragDyn does
Build the complete initial state before time integration begins
FragDyn assembles the geometry/material definition, fragment initial population, carrier-gas state and conservative mesh projection required to start a downstream transient calculation.
Define the initial fragment population
Use explicit fragment sets or statistical distributions with configurable mass, size and initial kinematics.
Reconstruct the gas state
Define the thermodynamic and composition data needed for the initial carrier-phase state.
Generate mesh-resolved initial data
Apply physical closure and conservative projection, then export the initial-condition package.
Theory
Construct a physically consistent initial state
FragDyn generates the solver starting state from geometry, materials, fragment-population data, gas-state reconstruction and conservative projection. The transient solution is performed by the downstream solver.
Pre-export review
Inspect the generated initial state before export
FragDyn exposes the geometry, fragment definition, projected fields and conservation checks so the initial-condition package can be reviewed before it is passed to the transient solver.
Customer configurability
Configure FragDyn around the required initial-condition model
FragDyn can be configured around the customer’s geometry, materials, fragment representation, launch model, thermochemical data, target mesh and export interface.
Geometry and regionsCAD/profile input, interfaces, material regions, dimensions and axisymmetric cases.
Fragment and launch modelsInitial fragment mass/size distributions, directions, velocities and material properties.
Gas-state reconstructionThermodynamic state, composition inputs and physically consistent source closure.
Projection and exportTarget mesh, conservative transfer controls, field mappings, units and project-specific export adapters.
Discuss a FragDyn initial-condition workflow
For custom geometry, fragmentation models, thermochemical inputs, mesh projection or solver-specific initial-condition export requirements, contact LIKUA.
Contact LIKUA