Naval Systems Presentation @ Zeus Numerix

1Build-to-Specifications | Product Approval | Engineering Services | Software Development
Naval Systems Presentation @
Zeus Numerix
Non-confidential technical presentation on capabilities in
design and development of Naval Systems
V3
Abhishek Jain

2
©ZeusNumerixPvtLtd:ConfidentialDocument
Presentation Overview
20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix
 Zeus Numerix – an Introduction
 Journey started from CFD and FEM simulations for marine industry
 No 1 Know-Why company for build-to-spec, certification and optimization
 Case studies – non-confidential
 Naval vessels
 Subsystems certification/approval
 Specialized Applications
 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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Naval Systems
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Naval
Systems
• Hydrodynamic design
• Radar cross section reduction
• Structural design, GT exhaust wake etc.
Subsystems
• Structural and reliability approval
• Handling and operational subsystem design
• Propulsion system
Specials
Apps
• Naval ammunition and stores
• Specialized software
• Trajectory and controls
Wake of ship
Subsurface hydrodynamics

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Naval Vessels
Non-confidential examples of design and development of
naval vessels
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Ship Seakeeping & Maneuvering Performance
 Seakeeping simulations using CFD and SPH codes
 Calculation of resistance due to waves
 Shapes of waves predicted for sea state 1 – 5 (including green sea)
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RADAR Cross Section of Ships
 RCS of Ship at 10 GHz in full azimuth sweep
 PO/PTD/SBR method used with effect of sea water modeled
 Smaller details in the ship modeled and RCS reduced by 70%
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Wake Flow on a Ship
 Aerodynamics of surface vessel
 Identification of wake regions and their effects
 Ship not shown due to confidentiality
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Galvanic Corrosion: Naval Vessels
 Simulate electric potential & currents for extremely low frequency electromagnetics
 Identifies locations of anodes and cathodes
 Optimize location of sacrificial anodes to delay corrosion (ICCP Optimization)
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Current density on the ship and
induced field on a plane below it

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Characterization of Hydrofoil
 Hydrofoil analyzed when in harmonic motion
 Hydrodynamic data needed for control of ship
 Cavitation was identified for high angle of attack
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FEA of Ship Structure during Missile Launch
 Shock and vibration analysis of ship during missile launch to find weak members
 Time variation of plume pressure load as an input boundary condition
 Significant transient loads introducing high temporary stresses & vibration in the structure
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Naval Sub-systems Approval
Certification of naval subsystems for installation on ships
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Structural Design & Certification
 Shock & Vibration loading on sub-surface vessel
 Enclosure breakage due to loading
 Redesigned – PDR/CDR conducted by DMDE
 Reliability, multi-body dynamics and fatigue studied
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Typicalsub-system
Multi-body with Fatigue

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Concept and Design of Arrester
 Concept, Design and testing of an arrester
 Sizing based on deceleration requirements
 Detailed design based Coupled CFD + FEM simulations
 Design fabrication & experimentally verified
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Performance of Marine Propeller
 CFD analysis of marine propeller for estimation of thrust and efficiency
 Two bladed propeller; highly twisted from root to tip
 Flow characteristics showed a separation line in surface streamlines
 Changes effected on the design and redesign again tested in CFD
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Buoy Cover for Sub-Surface Vessel
 Coupled Hydro-Structural analysis
 Verification against hydrodynamic & buoyancy load
 One-to-one mapping of CFD pressure output for FEM run
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PressuredistributionoverBuoyCover
StressdistributiononBuoyCover

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Knuckle Boom
 Estimate stress on a Knuckle boom
 Loading 12 Ton and arm length of 20 meter
 High stress regions located
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Centrifugal Sea Water Composite Pumps
 Conceptual design of composite sea water pumps for dewatering operations
 Pumps to be lightweight and corrosion resistant
 Hydrodynamic conceptual design using first principles of fluid mechanics
 Concept modified for manufacturability in composites
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Pumpwithtestsetup

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Specialized Applications
Non-confidential examples of specialized applications for
naval sector
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Extended Thickness Measurement Module
 Shipping industry has generates for merchant ship quality assurance
 Thickness measurement software helps surveyors in verifying the compliance of
thickness measurements of various metal structures
 Custom software and algorithms developed as per customer input
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Thickness main deck plating Diminution Summary

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Rocket Nozzle: Liner
 Supersonic rocket plume impingement on diverter covered with liner
 Unsteady heat transfer code to find ablation
 Liners studied – EPDM, Zirconia, Carbon Phenolic, Alumina based refractory material
 Liner replacement cycle found
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Naval Rocket
 Roll stabilized fire and forget rocket drifting
 Aerodynamic and structural fin design change
 Design sensitivity to thrust misalignment, wind, stability, fin cant & no studies
 Drift reduction of 80% achieved in first design iteration
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Custom Dynamics Software with Nozzles
 Customized software for naval rocket 6 DOF dynamics
 Simulates effect of Fore and aft motor, ring tail and normal fins, wind effects etc.
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Target Motion Analysis of Manoeuvring Target
 Only bearing data available for the underwater manoeuvring target
 Bearing data available at few hundred milliseconds
 Implementation of algorithm to estimate the trajectory of the underwater target
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Theoutlierscanbeclearlyidentified
anddifferentiatedfrommanoeuvres.
Thesinglespikesareoutlierswhilethe
gradualriserepresentmanoeuvres

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Water Impact & Underwater Trajectory
 An aerial store dropped to the ocean for specific operation
 Impact force (splash) on water calculated
 Underwater trajectory estimated along with resurfacing due to buoyancy
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Cylinder trajectory shown
Actual geometry confidential

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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,
 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 !

Naval Systems Presentation @ Zeus Numerix

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