Land Systems Presentation @ Zeus Numerix

1Build-to-Specifications | Product Approval | Engineering Services | Software Development
Land Systems Capabilities@
Zeus Numerix
Non-confidential technical presentation on the previous
experience on Land Systems
V3
Abhishek Jain

2
©ZeusNumerixPvtLtd:ConfidentialDocument
Presentation Overview
20 May 2019 Capabilities on Land Systems @ Zeus Numerix
 Zeus Numerix – an Introduction
 Journey started from engineering services (CFD, FEM and Dynamics)
 No 1 Know-Why company for failure analysis, optimization and build-to-spec projects
 Case studies – non-confidential
 Gun systems – Artillery and hand-held
 Ammunition
 Infantry combat systems
 Team and Closure
 The presentation is non-confidential and some data may be masked
 Legends in the presentation are not shown purposefully
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2004
1st Project Completed
Large Defense Project
2005 2006
1st Software Export
System design software: Korea
2007
2008
CEM Software
UAV RCS Reduced
2009
1st Built-to-Spec project
Supersonic ground
vehicle developed
2010
Fire Safety & Comfort
Building fire and HVAC
2011
Control Software
In-house development
2012
2013
Parallel GPU code Devp
Visualize big data – 4 billion points
2015
Floating Panel Design
Solar Panels in Lake
2017
1st foreign missile project
Integration & Certification
2018
1st MSME TDF Winner
D&D of Composite Sea Water Pump
2019
Incubated at IIT Bombay
Journey Begins with India’s 1st
Commercial CFD software!
400th project completed
Lockheed Innovation
Medal & India Govt
R&D Certificate
CEM Software
CEMILAC Certification
1st Store Separation
project complete
www.zeusnumerix.com/portfolio
The Journey

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4
Customers List: Partial

5
5
Accolades
R&D Recognition Innovation Medal
DST-FICCI-Lockheed Martin
India Innovation Growth
Medal 2007 for
“Numerical Simulations”
Recognition as an R&D Unit by
the Department of Scientific
and Industrial Research
“Design Approval” by Centre
for Military Airworthiness
and Certification certified
CEMILAC Certificate

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Core Offerings
Product
Development
Initial sizing from first
principles
Detailed analysis
based design
Prototype
development
Testing and validation
Product
Approval
Performance
estimate by analysis
Detailed Report
Generation
Review with approval
agency
Final submission and
product approval
Engineering
Services
Design calculation
reports
Analysis – CFD, FEM,
CEM
Failure analysis and
design suggestions
Multi-disciplinary
design optimization
Software
Development
Pre-processing
Automation
Solver development
from Literature
survey
Visualization, parallel
code CPU/GPU & GUI
System simulation
tools

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Land Systems
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Gun
• Internal Ballistics
• Muzzle brake and recoil design
• Undercarriage weight reduction
• Breech loading mechanism
Ammunition
• Aerodynamics, Range tables, fire control
• Shell/FSAPDS loads and balloting
• Driving/Centring band design
• Canard control for course correction
ICVs
• Floatation and manoeuvring
• Laser detection and counter measures
• Protection systems
• Engine upgrade
Noise and muzzle brake
efficiency predicted
Sabot Separation
Customsoftwareforredesigndelivered
UnsteadyCFD

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Case Studies: Gun Systems
Non-confidential examples for small and large caliber gun
systems
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Ordnance Internal Ballistics
 Developed & validated Internal Ballistics software for Arty gun
 Predicts shell muzzle velocity, barrel P-t curve & recoil impulse
 Inputs required: barrel, chamber volume, propellant & shell
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Generating Range Tables of Artillery Guns
 Range tables for artillery shells are generated
 CFD studies with Coriolis effect for various angles of attack for the shell
 6DOF code for the trajectory of the shell
 Correction w.r.t. wind, density, temperature, gun jump, target altitude, fuze setting, earth lat-
long incorporated
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Barrel Life Estimation
 Simulation of 155mm barrel for
 Thermal, Chemical & Mechanical Erosion
 Cook-off Temperature / Rate of Fire
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Muzzle Brake Optimization
 Multi-disciplinary Design Optimization of Efficiency, Weight, Service Life and Noise
 CFD for Muzzle blast and pressure, FEM for fatigue,
 Erosion and muzzle entanglement code developed
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Structural and fatigue
Animation: Shell coming out from barrel
Muzzle Blast seen just at exit

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 Noise attenuation due to muzzle brake on arty gun and carbine
 Noise propagation calculated
 Operator exposure estimated
Noise Attenuation
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dB Noise level estimated
at each

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Gas Operated Gun: Carbine
 Custom software for projectile dynamics in barrel and flow physics in gas chamber
 Effect on muzzle velocity and recoil velocity due to change in gas tap diameter, recoil location
etc. is found
 Custom software with GUI and manual developed and supplied
 Measured and calculated velocity within 1%
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Movie – Velocity Variation

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Design Modifications of Artillery Recoil System
 To ascertain the failure of rings and small parts after firing
 Estimate the forces due to internal ballistics and movement of piston due to recoil
 Unsteady simulation for pressure & thermal stresses due to fluid and nitrogen compression
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Design of High Speed Rocket Propelled Sled
 Aerodynamic, Structural & Dynamics design of recoverable supersonic land vehicle
 Acceleration and deceleration in given length
 Turnkey project from concept to production drawings
 Multiple concepts analyzed for severe aero loads, weight constraints & erosion of sliding shoe
 Production drawings delivered (150 drawings in total); 6 sleds delivered & tested
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75% Less Drag,
50% Weight
OldDesign
New Design
Realized and Tested

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Ammunition Design
Projects on ammunition design and failure analysis
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Design Considerations - Ammunition
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Mission
Requirement
Warhead/Fuze
payload choice
Go-No go
initial design
Aerodynamic
Shaping
Material
selection and
fin design
Trajectory and
range tables
Integration,
Store
separation
Manufacturing
consideration
Production
drawings

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FSAPDS Design
 Two Step design process for FSAPDS
 Fundamental analytical design for Trade-off studies; design calculations
 State-of-the-art simulations for design refinement & performance validation
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Stress on the rod
Typical Shape

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External Ballistics
 Dispersion in Fall of Shot for antitank ammunition using Monte-Carlo methods
 Dispersion effect due to Wind gusts, launch yaw rates, barrel erosion etc.
 Oscillations studied & design changes suggested
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Altitude
Drift

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Initial Design: SPRDesign™
 Preliminary Design of Solid Propellant Rocket
 Quick performance estimation of spinning rocket
 Includes all key modules
 Aerodynamics (Empirical), structural (from inertial properties), internal ballistics (P-t for
Finocyl grain) & dynamics (for range & velocity profile)
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Roll Stability and Trajectory
 Predict the trajectory of rockets with CEP
 Coriolis effects and drifting
 Trajectory of multiple rockets compared with field trials
 CEP improvement due to better prediction
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Comparisonofresults
ZN6-DoFcodeagainstfieldtrials
Actual Firing ZN Prediction

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Propulsion
 Estimation of P-T curve for given propellant
 Nozzle liners for safe operation
 Pressure estimation (CFD) and Transient thermal (FEM)
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Heat flux – nozzle surface
Temp profile after 5 sec

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Infantry Combat Vehicle
Technologies developed for ICV design and future work
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Recoil System – Tank Gun
 Analysis of hydro-spring type recoil system
 System level code developed to estimate piston rod dynamics during recoil &
recuperation
 Fluid pressures evaluated using CFD & transient FEM for piston rod stress
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Combat Vehicles: Design Modifications
 Floatation – Hydrodynamic drag estimation & manoeuvrability in cross current
 Penetration due to kinetic projectile; Lead projectile on steel plate
 Thermal CFD to ensure absence of hot spots inside engine compartment
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LASER Threats on ICVs
 Detection of LASER threat
 Optimal placement of sensor for detection
 Data analysis like threat range from signature; Attenuation due to atmosphere
 Activation of decoy LASER over various reflecting materials
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GenericImage

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Planning of Complex Defense Platform
 Boxarr® software used to plan for the system optimization
 Optimization of processes for travel of individual parts, effect of shutdown of supplier, risk
mitigation and many other what-if scenarios
 Use case an ICV development program
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Blow-up of a
group
Heat Map showing components
based on their TRL

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Team and Closure
Details of the team and consultants and summary of
presentation
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Core Team
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 Prof Gopal Shevare (Chairman) – PhD IIT Bombay with 40+ years research exp
 Expert in MDO, fluid dynamics, numerical methods and simulation product development
 Basant Kumar Gupta (CEO) – Masters IIT Bombay with 16 years experience
 Expert in preliminary design, project management, and optimization
 Irshad Khan (COO) – Bachelor Mechanical with 22 years experience
 Expert in mesh generation, drawings, product development and vendor management
 Sumit Jana (Head – Solver Devp) – Masters IIT Kharagpur with 12 years exp
 Expert in parallel solver development for CFD, Electromagnetics and free surface flows
 Suman Mohandas (Head – Software Devp & Visualization) – Bachelors Computer
 Expert in new software development, visualization, parallelization and GUI
 Ten engineers certified by CEMILAC including above

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Consultants and Collaborations
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 MOUs and Collaborations
 Centre for development of advanced computing – HPC usage in Teraflops
 NIT Nagpur – Joint R&D projects in coupled problems (CFD+FEM)
 IIITDM – Joint projects of analysis adding to product development
 Expert Panel (partial)
 Mr. SG Joshi – 40+ years experience in pump design and manufacturing
 Prof S C Lakkad – 45+ years experience in composite design and manufacturing process
 Prof K Sinhamahapatra – 20+ years experience in acoustic prediction
 Mr S Panse and H Ketkar – 35+ year exp in tool room, jigs/fixture design, special projects
 Mr V Kamat – 40+ years experience in hydraulic machine design, fabrication & maintenance
 Mr A Patki – 40+ years experience in space systems for reliability and weight reduction

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Closure
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 Experience of 400+ high tech projects in both strategic and industrial sectors
 Engineers trained in Aerospace grade quality and confidentiality
 Robust engineering software development experience
 Modular code development with high reusability
 Experience of parallelization and cloud computing
 Domain expertise in aforementioned sectors
 Contribution by the engineering team enhanced to design suggestions
 Flexible engagement model
 Fixed cost, Time and Material, Cost plus or models as per problem statement
 Unafraid to take R&D projects – Test Us

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www.zeusnumerix.com
+91 98190 09836
Abhishek Jain
abhishek@zeusnumerix.com
Thank You !

Land Systems Presentation @ Zeus Numerix

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