V 3 CEMStealth Capabilities Zeus Numerix Capabilities on

V 3 CEM/Stealth Capabilities @ Zeus Numerix Capabilities on stealth estimation, antenna design and code development in electromagnetics Abhishek Jain Build-to-Specifications | Product Approval | Engineering Services | Software Development

Presentation Overview § Zeus Numerix – an Introduction Journey started from development of India’s first industrial CEM software No 1 Know-Why company reducing RCS of ship and airborne objects (shape optimization) Compressible flow examples Incompressible flow examples Non-conventional and coupled problems § 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 Capabilities on Computational Electromagnetics @ Zeus Numerix 2 2 © Zeus Numerix Pvt Ltd: Confidential Document § Non-confidential Case studies

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 Capabilities on Computational Electromagnetics @ Zeus Numerix 2019 3 3 © Zeus Numerix Pvt Ltd: Confidential Document The Journey 1 st Software Export System design software: Korea

20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 4 4 © Zeus Numerix Pvt Ltd: Confidential Document Customers List: Partial

20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 5 5 © Zeus Numerix Pvt Ltd: Confidential Document Accolades

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 Capabilities on Computational Electromagnetics @ Zeus Numerix 6 6 © Zeus Numerix Pvt Ltd: Confidential Document Core Offerings

CEM Capabilities RCS of Fighter Aircraft • Radar cross section/seeker training • Full azimuth and elevation sweep Radar Cross • Ship RCS, Effect of sea water Section Specialized Software 20 June 2019 • Induction furnace performance • Electron beam, Magneto-hydrodynamics • Space antenna, rail gun, Laser, corrosion Capabilities on Computational Electromagnetics @ Zeus Numerix Ship RCS Polar Plot 7 7 © Zeus Numerix Pvt Ltd: Confidential Document • Finite Volume Time Domain (FVTD) • Physical Optics (PO/PTD/SBR) EM Methods • FDTD and FEM methods, validation

© Zeus Numerix Pvt Ltd: Confidential Document Computational Electromagnetics Different methods developed for the simulations and their results and merits 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 8 8

FVTD Solver Simulation of Curl equations in resonance region in time Parallel solver with largest simulation – 4. 2 Billion mesh Solution for PEC and Di-electric material Custom pre-processor for specific shapes (e. g. air intake, projectiles) RCS, nearfield, farfield calculated producing surface current every time instant: Antenna and RCS applications Post-processor with specific CEM features like RCS plots ISO Standard CGNS format: highly interoperable 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 9 9 © Zeus Numerix Pvt Ltd: Confidential Document § Current Capabilities and Achievements

Dielectric Coated Sphere er=4. 0 , Electric size =0. 5 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 10 10 © Zeus Numerix Pvt Ltd: Confidential Document § Reference: Michael S. Yeung , Journal of Scientific Computing, Vol. 15, No. 1, 2000

PO/PTD Solver Suitable for shaping and design of structures for a range of frequencies Ray tracing for shadowing effects Shooting and Bouncing Rays (SBR) effect simulated Parallied using Open MP and OPENMP Integrated pre-processor for surface mesh generation § Triangles appropriate to wavelength made automatically 360 o deg simulation in azimuth and elevation Tabulated discrete points simulated 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 11 11 © Zeus Numerix Pvt Ltd: Confidential Document § Current Capabilities and Achievements

RCS of Ogive Geometry § PO-PTD-SBR method used for simulation for 9. 54 GHz incident wave Good comparison with variation in the shadow region (due to small values) 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 12 12 © Zeus Numerix Pvt Ltd: Confidential Document

FDTD Solver § Current Capabilities and Achievements Maxwell-curl eqn in time domain solved on Cartesian mesh Dispersion and diffusion free results Suitable for simple geometry, simulation of dispersive materials in wave guides Customized for wave guides: in-built mesh generator with material properties (complex permeability & permittivity) Highly scalable using MPI, GPUs BCs – PEC, PML, excitation port 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 13 13 © Zeus Numerix Pvt Ltd: Confidential Document

Wave Guide FDTD Method used for simulation Material properties modeled 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 14 14 © Zeus Numerix Pvt Ltd: Confidential Document § Electric field along the axis of wave guide

FEM Solver § Current Capabilities and Achievements Solves vector Helmholtz equations Suitable for antennas, wave guides, cavity and microwave circuits when domain is finite Materials: non-linear and anisotropic including lossy § Boundary conditions – PEC, PML, excitation port § Validated for wave guides 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 15 15 © Zeus Numerix Pvt Ltd: Confidential Document § Solution mode – Total field formulation both Eigen value and linear equation is possible

Scattering Parameters Using FEM § Computation of scattering parameters of Radar Absorbing Material (RAM) Developed code for estimating effective electrical permittivity and magnetic permeability 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 16 16 © Zeus Numerix Pvt Ltd: Confidential Document

© Zeus Numerix Pvt Ltd: Confidential Document RCS Simulations Simulation examples of airborne and

RCS of Target UAV RCS estimation sweep in entire azimuth Hot-spots located and reported to the designer Scattering estimated in d. B and Sqm 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 18 18 © Zeus Numerix Pvt Ltd: Confidential Document § Radar Cross Section (RCS) estimation of pilotless target UAV

Inputs for Seeker Design § Flight measurement of yaw, pitch, roll angle tables were converted to azimuth / elevation table for RCS prediction; 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 19 19 © Zeus Numerix Pvt Ltd: Confidential Document § Helped in mission evaluation

CAE Software on Grid Computing Network § Testing of latest grid computing network by running large simulation Electromagnetics simulation run for high frequency; good match with known data Four billion mesh used for the simulation on generic missile shape Good scalability achieved on the machine 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 20 20 © Zeus Numerix Pvt Ltd: Confidential Document RCS of Missile

Low RCS Intake Geometry § Estimation of RCS for aircraft intake geometry Custom software to vary the intake shape (cylindrical, S shape etc) 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 21 21 © Zeus Numerix Pvt Ltd: Confidential Document Magnetic Flux § Mie range scattering predicted in the software; customer did more design iterations

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 Capabilities on Computational Electromagnetics @ Zeus Numerix 22 22 © Zeus Numerix Pvt Ltd: Confidential Document § RCS of Ship at 10 GHz in full azimuth sweep

© Zeus Numerix Pvt Ltd: Confidential Document Specialized Software Development Software development for 20

Electron Beam: Custom Software § Design of complex electrode geometries Computation of electro-potential and electron trajectories 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 24 24 © Zeus Numerix Pvt Ltd: Confidential Document

ITER – MHD and Heat Transfer § Thermal hydraulics & Reactor safety analysis for passive heat removal in liquid breeder 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 25 25 © Zeus Numerix Pvt Ltd: Confidential Document Natural convection in reactor § Prediction of MHD pressure drop & temperature profile in Pb. Li rectangular channel

Solver for Induction Heating Furnace Solver developed to estimate distribution of heat generation and temperature 2 D FVTD technique used for development of custom tool Power and current distribution in the furnace as output 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 26 26 © Zeus Numerix Pvt Ltd: Confidential Document § Concentric circular coils to generate magnetic field and eddy currents for heating of metal in the crucible

Stripification of Space Antenna Surfaces § Antenna surface a doubly curved surface; polynomial of order ~ 20 2 D strip generation to cover full surface with no wrinkles Marker points generation to match the mould and the strips 20 June 2019 Error colour plot Capabilities on Computational Electromagnetics @ Zeus Numerix 27 27 © Zeus Numerix Pvt Ltd: Confidential Document Strips

Electromagnetic Optimization of Rail Gun § Design of single and multi-turn rail gun Projectile ejection at high Mach numbers due to EM force Current concentration seen in parallel rails EM & structural design of Rail Gun ons i t c e ss s t ent Curr 20 June 2019 ity a s n e d Capabilities on Computational Electromagnetics @ Zeus Numerix 28 28 © Zeus Numerix Pvt Ltd: Confidential Document ro sc u o i r va

Software for LASER Threat Detection Optimization of placement of sensor location; finds distance and direction of threat Effect of attenuation due to atmospheric conditions like temperature and humidity modeled Activation of decoy LASER over various reflecting materials 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 29 29 © Zeus Numerix Pvt Ltd: Confidential Document § Detection of LASER threat and evasive action

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 Capabilities on Computational Electromagnetics @ Zeus Numerix 30 30 © Zeus Numerix Pvt Ltd: Confidential Document § Simulate electric potential & currents for extremely low frequency electromagnetics

© Zeus Numerix Pvt Ltd: Confidential Document Team and Closure Details of the team and consultants and summary of presentation 20 June 2019 Capabilities on Computational Electromagnetics @ Zeus Numerix 31 31

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 Capabilities on Computational Electromagnetics @ Zeus Numerix 32 32 © 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 Capabilities on Computational Electromagnetics @ Zeus Numerix 33 33 © 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 Capabilities on Computational Electromagnetics @ Zeus Numerix 34 34 © Zeus Numerix Pvt Ltd: Confidential Document § Robust engineering software development experience

Thank You ! Abhishek Jain +91 98190 09836 abhishek@zeusnumerix. com www. zeusnumerix. com 35