Mechanical Engineer Power Plant

Alan D. Moss

Miami, FL

Linked in • 786-***-**** • adi1f6@r.postjobfree.com

Senior Aerospace Engineer

Self-motivated, well-rounded, and multi-faceted Mechanical Engineer with proven history of analyzing, testing, and delivering new products in the aerospace and DOD industry.

Results-driven and detail-oriented with demonstrated experience providing engineering support deploying next generation technologies and products that support and protect unmanned aircraft and DOD equipment. Strong capabilities in driving the development of new products across all phases of the hardware design lifecycle from concept development to test and evaluation. Supported hands-on ground and flight test events through test planning, test execution, and data reduction in a dynamic environment. Collaborated with multidisciplinary systems and accomplished tasks that cover a wide range of design activities on air vehicles. Skilled at assuring high performance, stability and control by performing multi-variate stress and aerodynamic analyses. Outstanding communicator with ability to train, mentor and build teams.

Aircraft Design/Structural Engineering/Stress Analysis /Quality Control Methodologies/Systems Design & Architecture/Multibody Dynamics Simulation/Test Engineering/Process Improvements/ Project Management

TECHNICAL PROFICIENCIES

HyperMesh 6.1-20.0, Catia V5, Catia V6, Pro/Engineer 17,18,19, 20, 2001, Pro Wildfire 2.0, 3.0, 4.0, Creo 1-7.0 Ansys 4.3-20.2, Patran 2005,2008,2020 Nastran 2005,2008-2020 Fluent CFD, Abaqus 6.1.- 2020, Optistruct AutoCAD Release 10, 11, 12, 13, 2004 -2020,MATLAB 4-2020, Adams 2005-2020, Ansys 11.0 -20.2 Icem CFD, TK Solver 2.0-.6.0, MathCAD 2.0-15, Excel, NASGROW, AFGROW, Mathematica 2.0-12.0, Femlab 3.4, Maple 3-18.0, Derive, Fluent 6.2, Gambit 2.1, MSC Easy 5,Tecplot, MS Word, Autodesk Mechanical Desktop 2.0-11.0, Solid Works 99, 2002-20016, MS Project, Project Workbench, Visual Nastran, Titan 3.0, IDAT, Boeing propriety software CSW, IAS, FEADMS, FAMOSS, MOSS-Duberg, IDTAS and DTANL, Thermal Desktop, Flotherm, TSS, SINDA Fluent, Siemens NX

PROFESSIONAL EXPERIENCE

Principle Stress Engineer / Multibody Dynamics / System Engineering L3 Harris, Melbourne, FL (1/ 2020 – 12/2020)

Design, select, implement, and support the development and evaluation of complex system designs and architectures. Developed formal stress analysis packages for commercial and military satellites using MSC Adams for multibody dynamics (MBD), MATLAB, Femap 12.0, Abaqus Simula finite element models and Hyper Sizer software.

Guided product design and verified structural integrity of flight and ground-bases tooling on various space programs by performing static and dynamic structural analysis.

Resolved large space antennae's multi body dynamics problems and optimized performance by using MSC Adams.

Generated savings of over $1.5M while developing space antenna by automating the post processing margin calculations of over 4500 parts using MATLAB and Mathcad.

Helped develop a competent team by guiding and mentoring junior staff members.

Communicated status updates effectively to senior management by creating detailed reports and presentations.

Developed an automated antenna design system utilizing Python, MCC Adams, MATLAB and MathCAD for reporting writing,which reduced development time from several stress analysts over several months to one analyst completing the project in one day with a complete formal report written with 4500 margins of safety and torque call outs

Senior Stress Engineer, Spaceship Company, Mojave CA (6/2019 – 1/2020)

Performed and reviewed static and dynamic structural analysis of flight and non-flight structures and systems installations for inflight laser program. Developed formal stress analysis packages for laser components and other laser structural components using Excel hand calcs, Femap 11.4 and Abaqus Simula finite element models and Hyper Sizer software 11.1 software. Developed preliminary structural designs for laser frame and other laser components in close collaboration with the engineering teams.

Devised new approaches to analyze complex features applying principles of structural analysis to solve problems.

Improved safety margin on major structural components of Spaceship Company’s Unity spacecraft by conducting detailed structural analysis.

Developed and delivered informative reports, presentations and supporting test data for internal and external stakeholders.

Saved the Spaceship Co. over $1.0M by automating the landing gear analysis with MCS Adams.

Stress Engineer Level 5, Northrop Grumman, Melbourne FL (3/2019 – 6/2019)

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Performed complex hand calculations using Excel and Mathcad on the front spars inner/outer rear spars inner/outer, main beam and wing skins to provide margins of safety on the Northrop Grumman Hawkeye E-2D airborne surveillance aircraft. Conducted panel buckling, beam web check, cap loads due to diagonal tension, MS on combined upper cap stress at skin OML, combined upper stresses at bottom of web pad. Reviewed the lower beam cap margin of safety calculations including cap stresses with loading of combination of cap couple loads (M/h), axial loads (P), and diagonal tension moments. Performed detailed hand calculations of the beam stiffeners.

Completed hand calculations using Northrop Grumman’s PDIS methods, as well as Bruhn, Timoshenko, Roark’s and Petersons method.

Discovered over 700 errors in the previous NGC analysis that caused wing box failure in physical testing. Recommended solutions to enable the wing box to withstand full loading without failure.

Principle Stress Engineer, Serra Nevada, Denver CO (9/2018 – 3/2019)

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Applied principles and practices of static and dynamic structural analysis for landing gear on Dream Chaser Spacecraft. Utilized OptiStruct and Abaqus nonlinear FEM models to improve load path and minimize weight while still exceeding all stress, buckling and stiffness requirements needed for proper operation. Completed quasi static stress analysis on other landing gear components and wrote stress analysis reports as required. Conducted trade studies on landing gear components.

Maintained up to date and functional landing gear components by conducting review of all structural components, anticipating risks and alerting management with recommended solutions.

Trained and mentored co-workers with lesser experience and fostered a collaborative work environment.

Collaborated with and supported other groups developing primary and secondary structures for the Dream Chaser.

Principle Stress Engineer, United Launch Alliance, Huntsville AL (3/2018 – 9/2018)

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Conducted static and dynamic structural analysis for flight and non-flight hardware for the United Launch Alliance Vulcan rocket program and NASA Space Launch Systems (SLS) program, and other new and existing programs at NASA's Marshall Space Flight Center (MSFC). Provided inputs to design engineers on preliminary designs and the development, delivery, and presentations of reports to management. Collaborated with outside vendors and personnel from other NASA centers in the development of integrated flight hardware and Ground Support Equipment.

Established formal stress analysis packages for structural systems using hand calculations and finite element-based methods using Femap 11.4 and Ansys 19.1 software.

Senior Stress Engineer, Triumph Aerostructures, Arlington TX (7/2017 – 3/2018)

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Completed structural analysis on metallic and composite airframes and substructures on the Bombardier Global 7000 Jet aircraft. Wrote the Global 7000 Jet aircraft Certification report and submitted to Air Transport of Canada for review. Utilized Nasgrow to perform Fatigue and Damage Tolerance analysis on new product developments that ranged from conceptual through detailed design. Developed airframe structural criteria and requirements. Completed trade studies for least weight designs using Optistruct. Designed layout to define structural load paths. Developed internal loads using various approaches including finite element modeling and analysis. Performed preliminary and final sizing analysis. Completed Fatigue analysis using aerospace industry standard analysis calculation methods. Evaluated Damage Tolerance using aerospace industry standard analysis calculation methods and software. Completed concept development for least weight designs. Prepared fatigue and Damage Tolerance (F&DT) analysis report and presented reports to F&DT analysis support team for review. Provided F&DT support for structural test including coupon, design development, component and full-scale static and fatigue, and flight test. Guided junior engineers in non-linear analysis.

Provided F&DT support for damage limits, structural repairs and modifications to support repair limits and structural repair manual preparation.

Analyzed Boeing large shipping crates used to transport large aircraft components such as wing and landing gear component.

Resolved issues with Bombardier’s linear fem models by building detailed nonlinear sub models of the Global 7000 wing in the wing box area (stringer 10 to 17) utilizing Abaqus 2017.

Explained the discrepancies between the linear FEM models and test results in detailed reports helped the Air Transport Board of Canada accept the Global 7000 Jet aircraft test report and allow certification.

Lead Engineer, Interior Optimization Specialist, Boeing / Altair Software, Everett WA (2/2017 – 7/2017)

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Reviewed and optimized the design of various Boeing 787 aircraft and assisted with the generation of certification/structural documentation. Provided detailed structural sizing with Altair’s Optistruct software and verified with Boeing BDM methods. Primary areas analyzed included aircraft flooring, cabinet design and the secondary structures included monuments, galleys, aircraft seating and seat tracks and upper attachments. Prepared, developed and reviewed FE models and hand calculations for structural analysis of interior products and secondary structures to support design. Coordinated and monitored interior aspects of Structural project schedule with team members and the customer.

Saved over $3B for the customer in operating costs during the life of the aircraft by eliminating over 3000 pounds from the 787-secondary airframe.

Collaborated cross-functionally with DER, AR’s, CVE’s, Head of Certification, regulatory authorities and customers to obtain essential facts and information required to complete assigned tasks.

Coordinated, supported and advised global teams in varying time zones.

Ensured accurate stress and structural documentation prior to submission to customer and for regulatory approval.

Senior Stress Engineer, NASA / Lockheed Martin, New Orleans LA. (7/2014 – 2/2017)

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Performing system level stress analysis on NASA’s Orion spacecraft to establish the final design of the Command Module. Coordinating with NASA, Lockheed Martin and other engineering teams to establish the Orion spacecraft’s operating environment. Guiding product design and verifying structural integrity at the subsystem and system level. Writing MATLAB scripts for post processing of dynamic load events. Building a loads management database with Lockheed’s TMP Vision/ SLIM software. Developing flight and crash loads for NASA’s Super Guppy aircraft when transporting the Orion crew module Writing formal reports for presentation to Lockheed/ NASA. 103, 106, 107, 600 for solution sequences. Performing detailed analysis on the secondary structure with Lockheed Martin’s custom software. Writing formal reports in SAS and SARS format.

Senior Stress Analyst, Multiple Projects (3/2012 – 7/ 2014)

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Developed formal stress analysis packages for structural systems using strength of materials and finite element-based methods. Interfaced with design engineers to provide inputs on preliminary designs, development and delivery of reports and presentations to management, and collaboration with outside vendors and personnel. Key Projects include:

Westinghouse Nuclear, Cranberry PA (5/2013 – 7/ 2014): Conducted finite element analysis (FEA) using Ansys Classic ver. 14.5 and Abaqus 6.12 and Nonlinear analysis to determine factors of safety for various earthquake scenarios on the AP 1000 nuclear power plant and various critical subcomponents such as nuclear fuel island, core make-up tank and accumulator tank. Recorded hard rock high-frequency events and presented the first non-linear analysis report to the Nuclear Regulatory Commission (NRC) for certifying a nuclear power plant.

Space X/Altair Software, Hawthorne CA (1/2013 – 4/2013): Provided finite element analysis (FEA) using ANSYS and FEMAP on the Falcon 9 rocket and Merlin 1D rocket engine. Analyzed the octaweb structure which was a large subassembly mounted on the Merlin 1D engine of the main rocket body. Performed critical envelope analysis on various subcomponents within the octaweb assembly for gimbaled and non-gimbaled flight loads; fatigue analysis on critical components using NASGRO; and multi-body dynamic analysis on shipping and handling fixture used to transport the Merlin 1D engine. Participated in trade studies to reduce weight.

Northrop Grumman / Scaled Composites / Altair Software Tech Support, Sunnyvale CA (9/2012 – 12/2012): Provided preliminary structural analysis for the ROC heavy lift aircraft which has the largest wingspan of any heavy lift aircraft in the world (387 ft). Performed flight load cases, landing load cases, and detailed analysis of bulkheads attached near the landing gear using FEMAP for load path optimization, stress analysis, and post processing. Generated preliminary reports and informed the Scaled Composites division of Northrop about proposed design changes so that all design criteria could be met or exceeded. Virginia Class Sub: Provided multi-physic FEA analysis which included coupled structural, heat transfer and acoustical analysis for propulsion systems and associated subassemblies utilizing HyperMesh and Abaqus for load path optimization, stress analysis, and post processing on the Virginia class submarine. Solved steam leaks due to heat soak on power transmission components with Optistruct which modified the gasket flanges, flange stiffeners, bolt patterns and bolt sizes. Generated reports and informing Northrop management about design feasibility.

Bell Helicopter / Altair Software Tech Support, Hurst TX (3/2012 – 9/2012): Provided structural optimization analysis for the Bell 525 Relentless Helicopter for forward and aft bulkheads and transmission mast and transmission components including ring and pinion gear. Utilized HyperMesh and OptiStruct for load path optimization, stress analysis, and post processing, producing a 31 percent weight reduction compared to Bell Helicopter’s best weight optimization results. Wrote detailed reports showing margins of safety for all components. Completed a full structure analysis showing all modified components would retain margins of safety in all load cases including the 102 crash load cases. Assisted Bell Helicopter stress analysis engineers in determining the best topology for several components in the powertrain load path.

NASA / Lockheed Martin 3/11 to 03/2012 Engineering Specialist Level 6 / Contract

Leading development, integration, and documentation of advanced structural analysis for NASA's Orion Space Craft to establish the Crew Module design…Coordinating with other engineering groups to establish the product's environment...Building complex finite element models /simulations using Abaqus, Femap/Nastran on the crew module near the forward bulkhead and tunnel. Utilized Nastran solutions 103, 106, 107, 600 for solution sequences. Performing detailed analysis on the secondary structure with Lockheed Martin’s custom software. Writing formal reports in SAS and SARS.

Stress Engineer / Contract, Pratt and Whitney, West Palm FL (11/ 2010 – 3/ 2011)

Contributed in a product development environment and performing substantiation stress analysis on new innovative aerospace hardware and components for nacelle systems. Conducted design trades and optimization considering strength, weight, cost & producibility. Utilized Classical Hand Calculations, Finite Element Modeling using Abaqus, Patran/Nastran and advanced FEM modeling with HyperMesh and Optistruct for global optimization.

Used Optistruct for composite zone based free sizing.

Generated certification reports in compliance with FAR requirements, suitable for transmittal to Airworthiness Authority and customer, and participated in Preliminary Design Reviews (PDR) and Critical Design Reviews (CDR), and LEAN Events.

Coordinated with internal and external customers through written, verbal and media presentations.

Developed stress report schedules and handling related responsibilities as needed.

Lead Engineer, Halliday-Wachs, Columbus OH (3/2010 – 11/2010)

Applied an interdisciplinary, collaborative approach to plan, design, develop and verify a lifecycle balanced system of systems and system solutions for a military vehicle designed to replace the Humvee with the Joint Light Tactical vehicle (JLTV). Performed complex finite element analysis with Hyperworks (FEA), Optistruct (Optimization) and Motion View (vehicle dynamics) on a closed road course as specified by the military. The Hyper Crash and Hyper Study modules were used to study occupant safety in a 16 pound C4 bomb blast and various small arms fire attacks. Presented completed design to DARPA.

Performed analyses for affordability, safety, reliability, maintainability, testability, human systems integration, survivability analysis with Battelle input, vulnerability, susceptibility, system security, regulatory, certification, product assurance and other specialties quality factors into a preferred configuration to ensure mission success.

Developed the planning, organization, implementation, and monitoring of requirements management processes, tools, risk, issues, opportunity management and technology readiness assessment processes.

Resolved cross-functional technical issues. Evaluating vehicles and systems from a multitude of perspectives. This included the ability to apply figures of merit and integrated optimization tools such as Hyperworks and LS-Dyna.

Performed multi-disciplinary trade studies to evaluate configuration alternatives for functional and spatial integration. Collecting organizing, synthesizing, and analyzing data; summarize findings; Develop conclusions and recommendations from appropriate data sources at the department level.

Applied a broad working knowledge of the methodology and processes associated with risk management, and conducting trade studies, including cost as an independent variable (CAIV) trades.

Mitigated potential risks by evaluating design constraints (technical, cost & schedule). Identified trade alternatives (i.e., trade studies), selected/recommended the best plan for risks mitigation, established appropriate performance tracking metrics to track risk over time. Effectively utilized risk management tools to support program/project execution.

Stress Analyst - Rotary Aircraft / Contract, Sikorsky Aviation, West Palm FL (10/2009 – 2/2010)

Providing structural analysis, design support, structural test support and documentation necessary to ensure the airworthiness of aircraft structural modifications. Performing stress analysis duties for non-standard repairs.

Fulfilled FAA certification requirements by providing documentation of primary and secondary aircraft structures using appropriate methods and failure theories. Utilized, PASA, Patran, Nastran MS Office and MathCAD.

Ensured the structural integrity of airframe fuselage, landing gear and propulsion installations and all other attachments to airframe fuselage, including electrical, controls and dynamic systems attachments.

Adhered to Sikorsky standard work procedures.

Stress Analyst – 747-8 / Contract, General Electric Aviation, Baltimore MD (2/2009 – 10/2009)

Evaluated stress on thrust reversers (nacelles) for 747 aircraft utilizing Patran Laminate Modeler, MSC Nastran, hand-calculations, and GE proprietary software. Performing structural engineering analysis of composite and metallic products related to commercial aerospace projects.

Optimized the design, weight, and cost with designers. Analyzed designs for various thermal operating environments and special conditions, and selected fastener sizing and selection to meet minimum strength, environmental compatibility, and aero requirements using Design Standards, FD&T, Digital Mockup, and analysis software tools.

Prepared and participated in Trade Studies, Presentations, and Design Reviews.

Engineering Specialist (Level 6) – MAA and 787 Dream Liner / Contract, Boeing, Huntsville AL (4/2007 – 2/2009)

Performed stress analyses on both metal and composite by utilizing Abaqus, Patran/Nastran, Boeing proprietary software, and hand-calculations. Published detailed stress analysis reports and optimization trade study results for management and design teams. Coordinated with other engineering teams to establish the aircraft met all design requirements.

Documented the certification process using FAR 23 and FAR 25 for the Dreamliner 787 project.

Performed hand calculations using BCA book 1, 2, 3 stress analysis methods and Boeing software IAS, FEADMS, FAMOSS, MOSS-Duberg, IDTAS and DTANL for technical reports.

Multi Mission Aircraft (MMA) project consisted of developing, integrating, and documenting structural requirements to establish the Multi-Mission Aircraft (MMA) system design using Patran/Nastran and Femap finite element analysis. Included linear, nonlinear, thermal, vibration and fatigue analysis with NASGRO.

Reviewed test reports/results from outside vendors to substantiate the design for both customers and regulatory agencies.

Performed nonlinear analysis using Abaqus of bulkhead connectors at section 43 in the aircraft.

Stress Analyst / Contract, Lockheed Martin, (6/2006 – 3/2007)

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Performed primary airframe structural analysis on the JSF 35 fighter plane. Performed detailed analysis of bulkhead 106 and weapon bay door support structure using Patran/Nastran and Pro Mechanica. Supported the Joint Strike Fighter Control Surfaces and Edges team.

Oversaw stress analysis, detail part sizing and strength assessment of inner wing structure using classical hand analysis methods.

Analyzed results from Patran/Nastran finite element analysis (FEA) and other LMT propriety codes.

Assignments included detail part sizing, layout maturation, trade study analysis, weight reduction efforts, and documentation of analysis which included reports on load paths, and aircraft structural behavior.

Stress Analyst / Hand Calcs / Hydrodynamics Group Lead / Contract, General Dynamics, City (7/2005 – 6/2006)

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Coordinated system level and detailed stress analysis for the Expeditionary Fighting Vehicle (EFV). Developed optimized EFV deployable appendages (bow flap, chine flaps, transom flap) using Ansys, Patran /Nastran. Provided engineering analyses using Fluent and Comet CFD, Patran/Nastran, Excel, hand calcs, and in-house software. Prepared part optimization analysis reports which included part weight reduction, fatigue analysis, and DADT analysis.

Documented the design process in a computer-based design notebook.

Attended and conducted meetings, prepared notes, bring IPT representatives with conflicting priorities to consensus, resolved issues and facilitated design decisions.

Additional Experience:

Mechanical Engineer / Contract, Stress Analyst / Hand Calcs – IPT LEAD, United Defense, York PA

Stress Analyst / Hand Calcs / Contract, Komatsu Research and Development, Chattanooga TN

Mechanical Engineer / Stress Analyst / Group Lead, General Dynamics, Woodbridge VA

Stress Analyst / Hand Calcs / Contract, Columbia Research, Dothan AL

Mechanical Engineer / Contract, CFD / Thermal Analysis, Hand Calcs, CTI, Knoxville TN

Mechanical Engineer / Thermal Analysis / Contract, Heat and Controls, Concord NH

Stress Analyst / Hand Calcs / Mechanical Engineer, Goodrich Aerospace, Jacksonville FL

EDUCATION & CREDENTIALS

Bachelor of Science, Mechanical Engineering, UNIVERSITY OF TENNESSEE

Technical Certifications

Engineer in Training (EIT) - State of Tennessee December (15726)

NICET-National Institute for Certification in Engineering Technologies (072256)

Technical Training

•MSC Adams Training (MSC Software): ADM 701, 702, 703 A, B, 704 A

• Python Programming (Michigan State)

• MATLAB

•ORGANIZATIONS

American Institute of Aeronautics and Astronautics (AIAA) • American Society of Mechanical Engineers

Mathematical Association of America - MAA (063584) • Chattanooga Engineers Club. (294)

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