Class BiomechanicsSimulator

java.lang.Object

org.episteme.social.sports.BiomechanicsSimulator

public final class BiomechanicsSimulator
extends Object

Provides mathematical simulations and analysis for sports biomechanics. Includes kinematic and dynamic analysis, joint torque estimation, and projectile optimization.

Since:

1.0

Version:

1.1

Author:

Silvere Martin-Michiellot, Gemini AI (Google DeepMind)

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	BiomechanicsSimulator.BodySegment	Physical properties of a body segment.
static final record	BiomechanicsSimulator.DynamicAnalysis	Result of kinetic/dynamic movement analysis.
static final record	BiomechanicsSimulator.JointAngle	Represents a joint's angular orientation in 3D space.
static final record	BiomechanicsSimulator.KinematicAnalysis	Result of kinematic movement analysis.
static final record	BiomechanicsSimulator.MotionFrame	Snapshot of body orientation at a specific timestamp.

Field Summary

Fields

Modifier and Type	Field	Description
static final Map<String,double[]>	SEGMENT_PARAMETERS	Reference anthropometric constraints.

Method Summary

Modifier and Type	Method	Description
static BiomechanicsSimulator.DynamicAnalysis	analyzeInverseDynamics(List<BiomechanicsSimulator.MotionFrame> frames, List<BiomechanicsSimulator.BodySegment> bodyModel, double[] externalForce)	Calculates joint torques and power consumption using inverse dynamics simulation.
static BiomechanicsSimulator.KinematicAnalysis	analyzeKinematics(List<BiomechanicsSimulator.MotionFrame> frames, String targetSegment)	Extracts kinematic data from a series of motion frames.
static List<BiomechanicsSimulator.BodySegment>	createBodyModel(double height, double mass)	Creates a skeletal body model based on height and mass.
static Real	estimateGroundReactionForce(double bodyMass, double footStrikeAcceleration)	Estimates the ground reaction force (GRF) during running impact.
static Real	optimalReleaseAngle(double releaseHeight, double targetDistance)	Calculates the ideal release angle for a projectile given a release height and target distance.

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

SEGMENT_PARAMETERS

public static final Map<String,double[]> SEGMENT_PARAMETERS

Reference anthropometric constraints.

Method Details

createBodyModel

public static List<BiomechanicsSimulator.BodySegment> createBodyModel(double height,
 double mass)

Creates a skeletal body model based on height and mass.

Parameters:

height - body height in meters

mass - body mass in kilograms

Returns:

a list of BodySegment instances

analyzeKinematics

public static BiomechanicsSimulator.KinematicAnalysis analyzeKinematics(List<BiomechanicsSimulator.MotionFrame> frames,
 String targetSegment)

Extracts kinematic data from a series of motion frames.

Parameters:

frames - tracked motion capture frames

targetSegment - the segment of interest

Returns:

analysis results

analyzeInverseDynamics

public static BiomechanicsSimulator.DynamicAnalysis analyzeInverseDynamics(List<BiomechanicsSimulator.MotionFrame> frames,
 List<BiomechanicsSimulator.BodySegment> bodyModel,
 double[] externalForce)

Calculates joint torques and power consumption using inverse dynamics simulation.

optimalReleaseAngle

public static Real optimalReleaseAngle(double releaseHeight,
 double targetDistance)

Calculates the ideal release angle for a projectile given a release height and target distance.

estimateGroundReactionForce

public static Real estimateGroundReactionForce(double bodyMass,
 double footStrikeAcceleration)

Estimates the ground reaction force (GRF) during running impact.