V 3 Naval Systems Presentation Zeus Numerix Nonconfidential

V 3 Naval Systems Presentation @ Zeus Numerix Non-confidential technical presentation on capabilities in design and development of Naval Systems Abhishek Jain Build-to-Specifications | Product Approval | Engineering Services | Software Development

Presentation Overview § 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 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 2 2 © Zeus Numerix Pvt Ltd: Confidential Document § Case studies – non-confidential

1 st Project Completed Large Defense Project 2005 2004 Incubated at IIT Bombay Journey Begins with India’s 1 st Commercial CFD software! Control Software In-house development 2011 CEMILAC Certification 1 st Store Separation project complete 2012 2006 1 st Built-to-Spec project Supersonic ground vehicle developed 2010 2009 Fire Safety & Comfort Building fire and HVAC Parallel GPU code Devp Visualize big data – 4 billion points 2013 2015 2007 2008 CEM Software UAV RCS Reduced 1 st foreign missile project Integration & Certification Floating Panel Design Solar Panels in Lake 20 June 2019 Lockheed Innovation Medal & India Govt R&D Certificate CEM Software 2017 400 th project completed www. zeusnumerix. com/portfolio 2018 1 st MSME TDF Winner D&D of Composite Sea Water Pump Non-confidential capabilities on Naval Systems @ Zeus Numerix 2019 3 3 © Zeus Numerix Pvt Ltd: Confidential Document The Journey 1 st Software Export System design software: Korea

20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 4 4 © Zeus Numerix Pvt Ltd: Confidential Document Customers List: Partial

Accolades “Design Approval” by Centre for Military Airworthiness and Certification certified 20 June 2019 R&D Recognition as an R&D Unit by the Department of Scientific and Industrial Research Innovation Medal DST-FICCI-Lockheed Martin India Innovation Growth Medal 2007 for “Numerical Simulations” Non-confidential capabilities on Naval Systems @ Zeus Numerix 5 5 © Zeus Numerix Pvt Ltd: Confidential Document CEMILAC Certificate

Product Development Product Approval Engineering Services Software Development Initial sizing from first principles Performance estimate by analysis Design calculation reports Pre-processing Automation Detailed analysis based design Detailed Report Generation Analysis – CFD, FEM, CEM Solver development from Literature survey Prototype development Review with approval agency Failure analysis and design suggestions Visualization, parallel code CPU/GPU & GUI Testing and validation Final submission and product approval Multi-disciplinary design optimization System simulation tools 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 6 6 © Zeus Numerix Pvt Ltd: Confidential Document Core Offerings

Naval Systems • Hydrodynamic design • Radar cross section reduction • Structural design, GT exhaust wake etc. • Structural and reliability approval • Handling and operational subsystem design Subsystems • Propulsion system • Naval ammunition and stores • Specialized software Specials Apps • Trajectory and controls Subsurface hydrodynamics 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 7 7 © Zeus Numerix Pvt Ltd: Confidential Document Naval Systems Wake of ship

© Zeus Numerix Pvt Ltd: Confidential Document Naval Vessels Non-confidential examples of design and development of naval vessels 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 8 8

Ship Seakeeping & Maneuvering Performance Calculation of resistance due to waves Shapes of waves predicted for sea state 1 – 5 (including green sea) 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 9 9 © Zeus Numerix Pvt Ltd: Confidential Document § Seakeeping simulations using CFD and SPH codes

RADAR Cross Section of Ships PO/PTD/SBR method used with effect of sea water modeled Smaller details in the ship modeled and RCS reduced by 70% 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 10 10 © Zeus Numerix Pvt Ltd: Confidential Document § RCS of Ship at 10 GHz in full azimuth sweep

Wake Flow on a Ship Identification of wake regions and their effects Ship not shown due to confidentiality 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 11 11 © Zeus Numerix Pvt Ltd: Confidential Document § Aerodynamics of surface vessel

Galvanic Corrosion: Naval Vessels Identifies locations of anodes and cathodes Optimize location of sacrificial anodes to delay corrosion (ICCP Optimization) Current density on the ship and induced field on a plane below it 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 12 12 © Zeus Numerix Pvt Ltd: Confidential Document § Simulate electric potential & currents for extremely low frequency electromagnetics

Characterization of Hydrofoil § Hydrofoil analyzed when in harmonic motion § Hydrodynamic data needed for control of ship Cavitation was identified for high angle of attack 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 13 13 © Zeus Numerix Pvt Ltd: Confidential Document

FEA of Ship Structure during Missile Launch Time variation of plume pressure load as an input boundary condition Significant transient loads introducing high temporary stresses & vibration in the structure 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 14 14 © Zeus Numerix Pvt Ltd: Confidential Document § Shock and vibration analysis of ship during missile launch to find weak members

© Zeus Numerix Pvt Ltd: Confidential Document Naval Sub-systems Approval Certification of naval subsystems for installation on ships 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 15 15

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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 16 16 © Zeus Numerix Pvt Ltd: Confidential Document Typical sub-system Multi-body with Fatigue

Concept and Design of Arrester Sizing based on deceleration requirements Detailed design based Coupled CFD + FEM simulations Design fabrication & experimentally verified 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 17 17 © Zeus Numerix Pvt Ltd: Confidential Document § Concept, Design and testing of an arrester

Performance of Marine Propeller 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 18 18 © Zeus Numerix Pvt Ltd: Confidential Document § CFD analysis of marine propeller for estimation of thrust and efficiency

Buoy Cover for Sub-Surface Vessel Verification against hydrodynamic & buoyancy load One-to-one mapping of CFD pressure output for FEM run 20 June 2019 Stress distribution on Buoy Cover Pressure distribution over Buoy Cover Non-confidential capabilities on Naval Systems @ Zeus Numerix 19 19 © Zeus Numerix Pvt Ltd: Confidential Document § Coupled Hydro-Structural analysis

Knuckle Boom § Estimate stress on a Knuckle boom Loading 12 Ton and arm length of 20 meter 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 20 20 © Zeus Numerix Pvt Ltd: Confidential Document § High stress regions located

Centrifugal Sea Water Composite Pumps to be lightweight and corrosion resistant Hydrodynamic conceptual design using first principles of fluid mechanics Concept modified for manufacturability in composites Pump with test setup 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 21 21 © Zeus Numerix Pvt Ltd: Confidential Document § Conceptual design of composite sea water pumps for dewatering operations

© Zeus Numerix Pvt Ltd: Confidential Document Specialized Applications Non-confidential examples of specialized applications for naval sector 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 22 22

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 Thickness main deck plating 20 June 2019 Diminution Summary Non-confidential capabilities on Naval Systems @ Zeus Numerix 23 23 © Zeus Numerix Pvt Ltd: Confidential Document

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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 24 24 © Zeus Numerix Pvt Ltd: Confidential Document § Liner replacement cycle found

Naval Rocket 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 25 25 © Zeus Numerix Pvt Ltd: Confidential Document § Roll stabilized fire and forget rocket drifting

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. 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 26 26 © Zeus Numerix Pvt Ltd: Confidential Document

Target Motion Analysis of Manoeuvring Target Implementation of algorithm to estimate the trajectory of the underwater target 20 June 2019 The single spikes are outliers while the gradual rise represent manoeuvres Bearing data available at few hundred milliseconds The outliers can be clearly identified and differentiated from manoeuvres. Non-confidential capabilities on Naval Systems @ Zeus Numerix 27 27 © Zeus Numerix Pvt Ltd: Confidential Document § Only bearing data available for the underwater manoeuvring target

Water Impact & Underwater Trajectory Impact force (splash) on water calculated Underwater trajectory estimated along with resurfacing due to buoyancy Cylinder trajectory shown Actual geometry confidential 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 28 28 © Zeus Numerix Pvt Ltd: Confidential Document § An aerial store dropped to the ocean for specific operation

© Zeus Numerix Pvt Ltd: Confidential Document Team and Closure Details of the team and consultants and summary of presentation 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 29 29

Core Team § Prof Gopal Shevare (Chairman) – Ph. D 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, 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 30 30 © Zeus Numerix Pvt Ltd: Confidential Document § Irshad Khan (COO) – Bachelor Mechanical with 22 years experience

Consultants and Collaborations § 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 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 31 31 © Zeus Numerix Pvt Ltd: Confidential Document § Expert Panel (partial)

Closure § Experience of 400+ high tech projects in both strategic and industrial sectors Engineers trained in Aerospace grade quality and confidentiality 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 20 June 2019 Non-confidential capabilities on Naval Systems @ Zeus Numerix 32 32 © Zeus Numerix Pvt Ltd: Confidential Document § Robust engineering software development experience

Thank You ! Abhishek Jain +91 98190 09836 abhishek@zeusnumerix. com www. zeusnumerix. com 33