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SoldierSim

SoldierSim

SoldierSim is an effective simulation tool developed specifically to enhance and optimize Soldier performance across various tasks and conditions. Built on the advanced Santos engine, SoldierSim allows for realistic, physics-based load carriage simulations tailored to diverse Warfighter anthropometries, equipment designs, and mission tasks. Its intuitive drag-and-drop interface ensures ease of use, while predictive capabilities and in-depth analysis tools provide a comprehensive view of how load, motion, and environment impact Warfighter readiness and performance. SoldierSim includes four key modules: the Load Configuration Tool, the Simulation Builder, the and Extended Load Carriage analysis tool, and the equipment import tool. Together, these modules empower users to customize equipment configurations, simulate different load scenarios, and assess Warfighter biomechanics under a range of environmental conditions evaluating important parameters such as energy expenditures, torque (stress) at major joints, hydration levels, and fatigue. From evaluating the spatial needs of Warfighter teams to providing insights into equipment attachment points and alignment, SoldierSim is designed to support the operational readiness of Soldiers and other military personnel. SoldierSim delivers a unique, simulation-driven approach to Warfighter performance optimization, essential for mission planning and safety. SoldierSim is built on the Santosplatform and has undergone significant validation. In addition to University of Iowa researchers, the software has undergone validation by NSRDEC, the Aberdeen Test Center, the Naval Postgraduate School, Mississippi State University, Clarkson University, the US Council for Automotive Research (a consortium of Ford, General Motors, and Chrysler), Caterpillar, and Honda, among others.

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Warrior Configuration

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Simulation Builder

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Gear Import

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Extended Load Carriage

SoldierSIM

SoldierSim’s advanced capabilities cater to a comprehensive simulation and analysis of Warfighter
performance, offering multiple modes designed to enhance tactical preparation and equipment
configuration.

01
Warrior Configuration Mode
This mode enables users to fully customize a Warfighter’s configuration, including personal protective equipment (PPE), weapons, and gear tailored to specific roles (billets). The flexibility of this tool allows for detailed adjustments of loadouts and restricts ranges of motion according to equipment choices. Analysts can perform static posture assessments, aiming envelope analysis, eye relief evaluations, and visualize the Warfighter’s center of mass in each configuration. By precisely configuring Warfighters in this mode, users can optimize gear arrangement and confirm compatibility, helping to identify limitations or areas of improvement before physical testing or deployment.
02
Simulation Builder Mode
With Simulation Builder, users select tasks from an extensive library, simulating real-world Warfighting scenarios to evaluate performance under various loads. Tasks include stair ascent (both steep and standard), vertical jumps, ladder climbs, and extended load carriage, drawn from the Load Effects Assessment Program (LEAP) course. This mode allows for precise, physics-driven assessments of Warfighter metrics like energy expenditure, fatigue, and hydration in response to unique loading conditions and environmental factors. By predicting motion and encumbrances, Simulation Builder empowers analysts to perform trade-off analyses, inform equipment requirements, and test new products in a virtual environment, reducing costs and timelines associated with live testing.
03
Extended Load Carriage
The Extended Load Carriage module simulates the effects of prolonged equipment-bearing tasks on the Warfighter, considering individualized anthropometric models and gear distribution. After configuring a load and selecting environmental conditions, users can simulate missions such as a 16-mile march, tailoring factors like terrain type, slope, speed, time of day, fitness level, and climate conditions. This capability allows for an in-depth analysis of Warfighter endurance, physiological strain, and overall load impact, supporting mission planners in understanding performance limits in various operational scenarios.
04
Equipment Import Toolkit
This powerful tool allows users to import new equipment models in CAD format, such as helmets or body armor, and configure detailed specifications like weight and inertia properties. These characteristics directly impact dynamic calculations and movement simulations, making this toolkit invaluable for analyzing how new equipment will interact with the Warfighter and affect performance. By enabling users to test equipment’s physical impact in real-time, the Equipment Import Toolkit streamlines the evaluation of new designs, helping to identify optimal gear configurations and reduce risks associated with deployment.
SoldierSim-Equipment and Models
-Import equipment
-Large Selection of gear
-Accurate models
-Attachment to body
-Conifigure the load
-Pick and Place
05
Extended Load Carriage
Together, these capabilities make SoldierSim a powerful asset for optimizing Warfighter performance, tailoring equipment configurations, and enhancing mission planning across diverse operational environments.

SoldierSim Capabilities

Attribute Description
General Capabilities
Ease of use
Can be used by USMC GS personnel with 1 week of classroom training
Can be used by a user with 1 hour of classroom training
Software Functions
Can perform system level analysis on a new piece of infantry equipment within 1 week by average user
Can perform system level analysis on a new piece of infantry equipment within 1 day by average user
Physiological Models
Models used to predict output measures must be referenced in software user manuals
Architecture
Open architecture with documented APIs for critical functions
Open architecture with documented APIs for all functions
Dynamics Task Capabilities
Avatars
15 avatars are available (males and females) with varying anthropometry and strength limitations.
Configuration
User will be able to change equipment loading configuration
User can import any equipment that is not already in the SoldierSim system (import/export tool)
Output Metrics
Percent max. torque
Ground reaction forces:
Body center of mass tracking
Static spine shear and compression
Metabolic energy estimated from joint torques
Hydration
Walking Task
Adjust walking speed in a normal walking gait
Agility Side to Side
Weapon will be held at all times and the user will be able to change weapon and forestock hold
Bounding Rushes
“Stand to Prone”
“Prone to Stand”
Jumping Task
Vertical Jump
Platform Jump
Stairs Task
Ability to walk up and down normal & steep stairs
Ladder Task
Ability to walk up and down the vertical ladder.
Posture Task Capabilities
Output Metrics
Joint Angles
Discomfort
Body Center Position
Spine Shear and Compression at L4/L5
Joint Torques (seated & standing)
Stability (seated & standing)
Collision Detection
Total Weight Carried
Cocoon and Volume for Equipment Loading Configuration
Weapon Postural Analysis
Pre-defined postures for a specific avatar and weapon selection: Standing
Crouching
Kneeling
Prone
Bladed (45°)
Extended Arm Palm Hold
Weapon Analysis
Visual Postural Analysis
Aiming Envelope
Eye Relief Analysis
Extended Load Carriage
Inputs
Total Load
VO2 max
Distance
Time
Terrain Type
Terrain Grade
Work Rate
Outputs metrics
Heart Rate
Energy Consumption
Mechancial work
Oxygen Consumption
Thermal
Hydration Schedule
Whole Body Fatigue
Work/Rest Schedule
Perceived Exertion
Thermal Comfort
Tasks
Walking
Additional Capabilities
Visualization
Real-time rendering engine
Method and process for representing virtual avatars
Method and process for representing clothing
Algorithm for soft tissue deformation
Volumetric and surface calculations and analysis
Modeling
Accurate kinematics based on the DH representation method
Accurate biomechanics based on the DH representation method
Skeletal system
Packaging
Installer -simplified deployment to install with all dependencies
Licensing

SoldierSim Marines

  • Anthropometry
  • Weight
  • Body type
  • Strength

Male Avatar Statistics

Avatars Height Weight Strength Pereentile
Santos
6 ft.1 in
173.72 Ibs.
90%
220 Male
5 ft.7 in
160.94 Ibs.
80%
508 Male
5 ft.7 in
143..52 Ibs.
75%
530 Male
6 ft.3 in
244.93 Ibs.
90%
601 Male
6 ft.2 in
155.43 Ibs.
80%
1719 Male
5 ft.11 in
177.91 Ibs.
85%
1953 Male
5 ft.7 in
195.11 Ibs.
80%
2033 Male
6 ft.3 in
217.82 Ibs.
90%
2459 Male
5 ft.4 in
122.14 Ibs.
75%

Female Avatar Statistics

Avatars Height Weight Strength Pereentile
Sophia
5 ft.6 in
133.00 Ibs.
80%
0752 Female
5 ft.10 in
139.33 Ibs.
80%
1806 Female
5 ft.9 in
164..91 Ibs.
85%
2096 Female
5 ft.3 in
121.92 Ibs.
75%
2316 Female
5 ft.7 in
156.75 Ibs.
90%
2324 Female
5 ft.6 in
158.29 Ibs.
90%
2531 Female
5 ft.0 in
129.19 Ibs.
85%
2563 Female
5 ft.3 in
119.92 Ibs.
75%

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