Javed Arshad Butt

Programming Skills

• Python

  Extensive experience in various academic and industrial contexts:

  • Research Assistant & Aerospace Engineer, TU Dresden

    Research on structure-integrated high-pressure hydrogen tanks in aircraft wings

    • Conducting complex optimizations for tank structures
    • Post-processing and analysis of FEM results
    • Creating plots and visualizations for research results
    • Developing scripts to automate research workflows
  • Academic Education

    Python I and II in Bachelor's; various projects and lectures in Master's focusing on technical applications

  • Study Project at DLR

    Development of a Python tool for flight mission analysis

    • Implementation of the "missioninformer" tool for fuel mass and gradient calculations
    • Integration of physics-based equations for cruise flight analysis and empirical fuel fractions
    • Investigation and optimization of surrogate models (RBF, Kriging, TPS)
    • Analysis of ODE solvers for precise fuel mass calculations
    • Implementation and optimization of gradient calculations
    • Integration of mass snowball effects for realistic consumption estimates
    • Performance optimization: runtime of 50-800 seconds for two-mission calculations including gradients
    • Contribution to reducing fuel consumption and emissions in aviation
  • Master's Thesis

    Further development of control-oriented Cluster-based Network Modeling (CNMc)

    • Implementation of 10 different dynamic systems
    • Optimization by replacing NMF with SVD, significant runtime improvement
    • Modular implementation for easy integration and adaptation
    • Development of a flexible configuration system
    • Implementation of interactive HTML plots for visual analysis
  • Student Assistant

    TU Braunschweig - Institute of Flight Guidance and Chair of Fluid Mechanics

    • Data processing and analysis with NumPy and Pandas
    • Development of 3D real-time visualizations with VisPy
  • Industry Experience

    Projects at BMW and DLR

    • Application of Python in the automotive industry and aerospace engineering
  • Private Projects
    • Automation of tasks (e.g., Notion to Logseq conversion)
    • Artificial Intelligence projects with PyTorch for text-to-speech, for example
    • Development of a tool for simultaneous publication of news on multiple social media platforms
    • Implementation of a script for automated upload of videos to various social media platforms

  Comprehensive knowledge in: NumPy, Pandas, SciPy, Scikit-learn, Matplotlib, Plotly, VisPy, PyTorch, Dask, FEM analysis, optimization algorithms, as well as experience with various social media APIs

• Java

  Extensive experience in academic and professional contexts:

  • Research Assistant & Aerospace Engineer, TU Dresden
    • Development of Java applications for creating input files for FEM solvers in the context of research on structure-integrated high-pressure hydrogen tanks in aircraft wings
    • Generation of 3D geometries and meshes for FEM calculations
    • Automation of the creation of complex input data for extensive FEM simulations
  • Research Assistant, Bergische Universität Wuppertal (04.2019 – 04.2020)
    • Further development and optimization of software for visual evaluation of crash optimization results
    • Extension of functionalities for generating HTML files for optimization results
    • Improvement of web design and user-friendliness
    • Generation of high-quality graphics for publications and presentations
  • Student Assistant, Bergische Universität Wuppertal (02.2018 – 01.2019)
    • Development of software for visual evaluation of crash optimization results
    • Implementation of functions for generating HTML files for visual representation of optimization results
    • Integration of Java with HTML, CSS and JavaScript for helpful visualization solutions
  • Academic Education

    Attended Java lectures and application in study projects

  Knowledge: Object-oriented programming, data visualization, integration with web technologies, FEM data generation

• MATLAB

  Solid experience in academic and research contexts, particularly in Multidisciplinary Design Optimization (MDO):

  • MDO Course Project, TU Braunschweig
    • Implementation of an Individual-Discipline Feasible (IDF) MDO architecture for coupling aerodynamics and structure
    • Development of an XDSM diagram to visualize the MDO workflow
    • Implementation and optimization of the Class Shape Transformation (CST) method for wing profile description
    • Integration and adaptation of the OpenFEMFlow code for aerodynamic analyses
    • Use and adaptation of the Weight Index code for structural analyses
    • Implementation of complex gradient calculations using central difference method
    • Conducting parameter studies to optimize step size for gradient calculations
    • Creation of Pareto fronts for analysis of multidisciplinary trade-offs
    • Visualization and analysis of optimization results, including wing profile geometries and pressure distributions
  • Bachelor's Thesis, Bergische Universität Wuppertal
    • Development of 3D topology optimization software
    • Extension of an existing 2D method (Adapt) to 3D structures
    • Implementation of functions to control connection thickness and minimum distance between connections
    • Integration of ParaView for visualization and analysis of 3D optimization results
  • Institute of Flight Guidance (IFF), TU Braunschweig
    • Use of MATLAB for various research projects in the field of flight guidance
    • Development of simulation models for aircraft and flight systems

  Knowledge: Numerical optimization, gradient-based methods, multidisciplinary optimization, aerodynamic and structural analysis, signal processing, data visualization, Simulink

• HTML, CSS, JavaScript & Modern Web Technologies

  Experience in developing modern, interactive and responsive websites

  • Personal Homepage: 🔗 https://javedab.com/
    • Development of a highly optimized, modern website with Astro, achieving ideal Lighthouse scores (100/100) for performance and best practices
    • Implementation of lazy loading for JavaScript to improve loading times and resource usage
    • Integration of tooltips to improve user-friendliness and information delivery
    • Multilingual support for improved international accessibility
    • Responsive design with adaptive layouts for various devices and screen sizes
    • Advanced blog features, including adaptive table of contents for desktop and mobile
    • SEO optimization through use of meta information and structured data
    • Use of advanced image and SVG compression techniques for high performance
    • Use of the Astro Icon library for efficient icon management and reduced loading times
    • Styling with Tailwind CSS and DaisyUI for an appealing design
  • Web Version of Master's Thesis: 🔗 https://jav-ed.github.io/master_Thesis/
    • Creation of an interactive web version of the master's thesis with Quarto
    • Integration of custom HTML, CSS, and JavaScript elements to improve presentation and interactivity
  • Interactive 3D Diagrams for Scientific Publication: 🔗 https://jav-ed.github.io/H2O_Plot/
    • Development of interactive 3D visualizations to support scientific research
    • Use of modern JavaScript libraries for 3D data visualizations
  • Project at the Chair, Bergische Universität Wuppertal
    • Development of HTML files for visual representation of optimization results

  Technologies & Tools: Astro, HTML, CSS, JavaScript, Tailwind CSS, DaisyUI, PostCSS, MDX, Quarto, Git/GitHub Pages

• Android App

  Privately developed own apps, certificate in the form of an exam at the Bergische Universität Wuppertal with a grade of 1.0

Work Experience

• 06.2022 – Present

  Research Assistant

  Technical University of Dresden - Chair: Aerospace Engineering

  Structure-Integrated High-Pressure Hydrogen Wing Tanks

  • Development of Java applications for creating input files for FEM solvers
  • Generation of 3D geometries and meshes for FEM calculations
  • Automation of complex input data creation for extensive FEM simulations
• 10.2021 – 04.2022

  Research Assistant: Coanda-Effect

  Technical University of Braunschweig - Chair: Fluid Mechanics

  • Creation of data and order structures
  • Database creation, file filtering and appropriate output storage, using Python's NumPy and Pandas
  • Digitization of measurement data
• 11.2020 – 02.2021

  Research Assistant: Aerodynamic Shape Optimization

  German Aerospace Center (DLR) - Institute of Aerodynamics and Flow Technology

  • Surrogate models for multi-point mission analysis
  • Analytical, symbolic and numerical solving of ordinary differential equations
  • Numerical gradient calculation
• 04.2020 – 10.2020

  Research Assistant: Real Time 3D Viewer

  Technical University of Braunschweig - Chair: Flight Guidance

  • Calculation of an aircraft simulation model in Matlab
  • Receive data in Python via UDP, use Cython, C++ and NumPy for data processing within Python
  • 3D real-time display of the simulated aircraft model from Simulink in VisPy (high-performance GPU library)
• 04.2019 – 04.2020

  Research Assistant: Optimization of Mechanical Structures

  Bergische Universität Wuppertal

  • Programming software for visual evaluation of crash optimization results with Java
  • Programming HTML files for visual representation of optimization results with Java, HTML, CSS and JavaScript
  • Adjustments for publications in LaTeX
  • Creating graphics for presentations and publications
• 02.2018 – 01.2019

  Student Assistant: Optimization of Mechanical Structures

  Bergische Universität Wuppertal

  • Programming software for visual evaluation of crash optimization results with Java
  • Programming HTML files for visual representation of optimization results (Java, HTML, CSS, JavaScript)
• 01.2015 – 07.2015

  Austrian Armed Forces

  Bundesheer

  • Basic training: Handling of assault rifle
  • Promotion to Private

Languages

Education

• 04.2019 – 05.2022

  Master in Aerospace Engineering

  TU-Braunschweig

  Flow predictions using control-oriented cluster-based network modeling

  • Developed an improved version of control-oriented Cluster-based Network Modeling (CNMc) for predicting trajectories of general dynamical systems
  • Implemented and compared multiple machine learning techniques for modeling system dynamics
  • Utilized k-means++ clustering algorithm to represent complex system dynamics
  • Applied dimensionality reduction techniques (SVD, NMF) to efficiently model transition properties
  • Developed automated parameter studies for optimal mode selection in decomposition methods
  • Implemented and evaluated various interpolation and regression models
  • Utilized scikit-learn library for implementing machine learning algorithms
  • Developed a flexible configuration system for easy adjustment of machine learning hyperparameters
  • Implemented cross-validation techniques to assess and optimize model performance
  • Created a modular framework allowing easy integration of new algorithms and dynamical systems

  Thesis Resources:

  Read Online LaTeX Source Download PDF
• 05.2021 – 08.2021

  Study Project

  DLR and TU-Braunschweig

  Development of a module for mission analysis for a gradient based aerodynamic shape optimization process

  • Developed a lightweight Python tool (missioninformer) for calculating total fuel mass and its gradients for user-defined flight missions
  • Implemented physics-based equations for cruise segment analysis and integrated empirical fuel fractions
  • Conducted investigations on surrogate models (RBF, Kriging, TPS) to optimize interpolation accuracy and execution time
  • Performed analysis of ODE solvers, comparing analytical and numerical solutions
  • Implemented and optimized gradient calculations using central differencing scheme
  • Integrated mass snowball effects through fix-point iterations for realistic fuel consumption estimates
  • Optimized tool performance, achieving runtime between 50 to 800 seconds for two-mission calculations including gradient computation

  Thesis Resources:

  LaTeX Source Download PDF
• 04.2019 – 09.2019

  Master in Mechanical Engineering

  Bergische Universität Wuppertal

  1 semester completed

• 10.2015 - 03.2019

  Bachelor in Mechanical Engineering

  Bergische Universität Wuppertal in cooperation with BMW

  Extension of a topology optimisation method for the adaptive reinforcement of mechanical structures from 2D to 3D

  • Extended an existing 2D topology optimization method (Adapt) to 3D structures, enabling optimization of complex 3D geometries
  • Implemented features to control connection thickness, minimum distance between connections, and prevent local reinforcements in the optimized structures
  • Developed method to prohibit connections at edges and corners in 3D optimized structures
  • Conducted finite element reanalysis using OptiStruct to validate stiffness improvements of optimized 3D structures
  • Modified the optimization method to handle slightly different load cases between the base structure and optimized reinforcements
  • Implemented capability to import external 2D and 3D CAD geometries as base structures for optimization
  • Integrated ParaView as a powerful open-source post-processor for visualizing and analyzing 3D optimization results
  • Wrote modular, extensible code in MATLAB to enable easy addition of new dynamic systems and features
  • Conducted parameter studies to evaluate the impact of different optimization parameters on results
  • Demonstrated application of the extended method on multiple 2D and 3D test cases, including automotive-inspired geometries

  Thesis Resources:

  LaTeX Source Download PDF
• 2006 - 2014

  Reifeprüfung (Matura)

  BRGORG 15 Wien, Austria

Internships

• 07.2018 – 10.2018

  Voluntary Internship in Research and Development

  BMW Group, Department: EF 242

  • Extended a topology optimization method to enable calculations at vehicle level, with improved computation time in Matlab
  • Conducted extensive investigation of various state-of-the-art methods regarding mesh independence
  • Tested the applicability of parallelization on CPU and GPU with various methods (BLAS, LAPACK, MPI)
  • Compared different programming languages regarding implementation, developed methods and computation time (C++, Fortran, Python)
  • Familiarized with topology optimization using Hypermesh, Hyperview and Optistruct software
• 08.2017 – 09.2017

  Engineering Internship in Water and Energy

  Wupperverband

  • Visited sewage treatment plants in Leverkusen, Burg, Schwelm and Kohlfurth with explanations of the treatment process
  • Independently read and understood R+I diagrams for the digester gas system and the CHP plant in Hückeswagen using DIN 30600, 1946, 2481, 19227 and 28004
  • Merged plant components in an Excel list for further processing in Wupperverband's maintenance software
  • Created and edited PDF acceptance form 442 for practical use on the construction site
  • Gained insights into VOB, HOAI and award procedures through participation in various meetings and administrative processes
  • Received explanations on pumps, fittings, pipelines and sludge dewatering machines
• 08.2016 – 09.2016 | 03.2016 – 04.2016

  Basic Internship for Mechanical Engineering Part 2

  Technische Betriebe Solingen

  • Learning basic manufacturing processes:
  • Manual processing of metallic materials: sawing, drilling, scribing, filing, bending, chiseling, reaming, countersinking, thread cutting, riveting, straightening, sharp grinding
  • Machine processing of metallic materials: turning, milling, grinding, drilling
  • Thermal joining and cutting processes: autogenous, arc and resistance welding, flame cutting, special welding and cutting processes, soldering

Voluntary Work

• 04.2019 – 09.2019

  Instructor for 3 courses: Running, Beach Soccer, Kickboxing

  University Sports Wuppertal: Activity as trainer

• 04.2017 – 07.2018

  Instructor for 3 courses: Futsal, Budo Fitness, Kickboxing

  University Sports Wuppertal: Activity as trainer

Awards & Certificates

• English Level C1
• Special Mechanical Engineering Lecture
• Austrian Armed Forces: Promotion to Private
• Vienna's Best Runner in 2014
• ECDL Core and ECDL Advanced in Word

Publications

• New geometric features in the topology optimization method for the adaptation of structures

  Proceeding of the 13th World Congress of Structural and Multidisciplinary Optimisation

Social Media

Downloadable Documents