Latest Space News
Sun, 19 Aug 2018 18:24:07 +0000
Retired Air Force officer Wesley Hallman: “We all want this to work. But does it have to be a separate service?" SpaceNews.com
Sat, 18 Aug 2018 16:50:24 +0000
NASA announced Aug. 17 that it will allow SpaceX to use a fueling approach for its commercial crew missions that attracted prior scrutiny, pending a final series of tests. SpaceNews.com
Fri, 17 Aug 2018 02:34:20 +0000
The space industry outsider nominated to become NASA deputy administrator said he would focus on acquisition reform and adapting NASA to a “new role” with commercial partners if confirmed by the Senate. SpaceNews.com
Thu, 16 Aug 2018 21:48:01 +0000
A proposed standard announced at a conference last week seeks to provide the same launch flexibility for larger smallsats currently enjoyed by cubesats. SpaceNews.com
Thu, 16 Aug 2018 21:28:17 +0000
An audit by the Defense Department’s inspector general office found security cracks in the supply chain of four critical military space programs. SpaceNews.com
Thu, 16 Aug 2018 21:25:38 +0000
Canadian remote sensing company UrtheCast says it has sufficient resources to cover the $20 million purchase of analytics firm Geosys from U.S. dairy giant Land O’Lakes. SpaceNews.com
Thu, 16 Aug 2018 17:34:03 +0000
Millennium Space Systems was founded in 2001 and has approximately 260 employees. It has developed satellites ranging from 50 kg to more than 6,000 kg. SpaceNews.com
Thu, 16 Aug 2018 12:00:22 +0000
SSL, a company known for building communications satellites and spacecraft systems, will help the U.S. Air Force Space and Missile Systems Center define its next generation of protected military communications, the Maxar Technologies company announced Aug. 16. SpaceNews.com
Thu, 16 Aug 2018 09:20:11 +0000
The commercial spaceflight industry has been enjoying success both on and off the launch pad this year. SpaceNews.com
Thu, 16 Aug 2018 05:05:34 +0000
Descartes Labs announced Aug. 15 a partnership with Airbus to feed high resolution global imagery into its geospatial data platform. The Sante Fe, New Mexico-based startup also completed beta testing of its cloud-based “data refinery,” and added weather data. SpaceNews.com
Thu, 16 Aug 2018 00:21:09 +0000
International mistrust in space could become a bigger problem as the commercial space industry continues to grow and demand a peaceful environment to do business. SpaceNews.com
Wed, 15 Aug 2018 22:55:18 +0000
NASA says an Aug. 14 test of an engine for the Space Launch System was a success despite an unspecified “facility issue” that caused the test to end early. SpaceNews.com
Wed, 15 Aug 2018 18:18:44 +0000
ESA is pushing European industry to continue innovating and finding efficiencies even after Vega C’s introduction in 2019 and Ariane 6’s debut in 2020. SpaceNews.com
Wed, 15 Aug 2018 18:13:20 +0000
China will launch its Chang’e-4 lander and rover mission in December in what will be the first ever attempt at a soft landing on the far side of the moon, authorities said Aug. 15 SpaceNews.com
Tue, 14 Aug 2018 23:33:39 +0000
NASA has done a good job implementing the recommendations of its latest planetary science decadal survey despite past budget problems, but needs to improve some programs, a recent report concluded. SpaceNews.com
Tue, 14 Aug 2018 22:04:46 +0000
The Air Force will use “rapid procurement authorities” in this program and is targeting the first next-generation OPIR launch in 2023. SpaceNews.com
Tue, 14 Aug 2018 21:57:09 +0000
The Pentagon's Joint Oversight Requirements Council will be briefed this fall on potential solutions to a major national security vulnerability: hypersonic weapons that fly into space at supersonic speeds and descend back down to Earth directly on top of targets. SpaceNews.com
Tue, 14 Aug 2018 13:42:54 +0000
Chinese private launch vehicle maker OneSpace has secured $43.6 million in Series B financing as the company looks to its first orbital launch near the end of 2018. SpaceNews.com
Tue, 14 Aug 2018 00:32:25 +0000
Exos Aerospace, a Texas company developing a reusable suborbital rocket, now plans to carry out a first flight of its vehicle in late August as it sets its sights on a follow-on orbital vehicle. SpaceNews.com
Mon, 13 Aug 2018 19:50:09 +0000
Viasat is still working on a medium-Earth-orbit satellite constellation idea revealed almost two years ago, but has not finalized what that system would look like, Mark Dankberg, CEO of Viasat, said Aug. 9. SpaceNews.com
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  • CV: Senior Principal Engineer / Analyst / Consultant

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
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    Contact information
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    Candidate Profile
     Date Submitted:26-05-2011
     Last Modified:30-01-2016 (04:47)
    Job information
     Current job:Senior Principal Engineer / Analyst / Consultant
     Employment Term:Either
     Job location:Anywhere
     Date available:immediately
     Industry:Satellite Manufacturers and Subcontractors
     KeywordsStress Analysis, ABAQUS, SOLIDWORKS, COSMOS, LS-DYNA, Shock dynamics, Acoustics, Random-Vibration, FSI, CATIA
    CV

    AREAS OF EXPERTISE

     STRUCTURAL DYNAMICS
     ACOUSTICS AND VIBRATION
     SEISMIC & RANDOM VIBRATION
     WAVE PROPAGATION
     FLUID-STRUCTURE INTERACTION
     FINITE-ELEMENTS ANALYSIS
     PROBABILISTIC MECHANICS
     FEA SOFTWARE DEVELOPMENT
     MECHANICAL TESTING
     MECHANICAL DESIGN
     BIO-MECHANICS

     

    OBJECTIVE: To secure an engineering position with potential for career growth and advancement.

     

    PROFESSIONAL EXPERIENCE

     

    Senior Engineer / Analyst – DS2E.com (Texas)                                                                                                       08/01 –  Todate

    Consulting services and R&D.

     Projects samples:                                                                                                           

     Investigation of non-uniform heat induced plastic stress in steel plates by coupled analysis.
     R&D on an inertia propulsion engine based on the principle of rotor dynamics.
     FEA Stress analysis of a large pressure vessel’s supporting skirt.
     Design & c.g. optimization of a large marine delta “Flipper” anchor for mooring platforms.
     Developed a BOP shut-off solution proposal for BP’s Deepwater Horizon oil spill accident.
     Analyzed the intriguing thrust oscillations of NASA ARES-1 type solid-rockets.
     Design & optimization of a natural draft tower using Fluent, for production of electricity from solar induced convective air flows.
     Designed a 100 metric-Tons stern A-frame crane for a tugboat.
     Streamlined the box girders of a 110ft-100/25 Tons traveling crane.
     Developing a shock and blast shielding structure based on shape memory alloys.
     Working on a new design of a helicopter bladed rotor that smoothes the flow induced vibrations on blades and ultimately reduces
    the noise and fatigue.
     Improving the internal combustion engines efficiency by reconsidering the slider-crank mechanism.
     Computer modeling of biological soft tissues stretching that exhibit nonlinear/hyperelastic behavior.
     Working on a computer model of a pulse detonation engine.
     Co-designed a 75ft/150 tones fishing trawler.


    Software used: SolidWorks/Cosmos, ANSYS, Abaqus, Matlab, Adams, LS-Dyna, Catia, Nastran, Femap, Fluent, Femlab, Prosurf,
    Proline, Maxsurf, AutoCAD, Rhino, RulesCalc.

    Stress & Design Engineer / Principal Engineer – Pileco Inc.   (Houston, Texas)                                                        11/07 – 1/09

    Investigated and defined component and system level engineering specifications.
    Justified design decisions through engineering calculations, analysis, and modeling and created supporting engineering docs.
    Participated in design reviews, continuous improvement activities and equipment failure resolution activities.
    Designed, procured and validated design concepts based on system level requirements leading to production of safe and efficient pile
    driving equipments. Reduced cost of systems through design optimization, careful material selection, and DFMA.
    Performed stress analyses on pile driving systems. Forced vibration analyses of driving components and shock/impact analyses
    including soil-structure interaction. Fatigue analysis and shape/weight optimization. Performed loads and stability analysis for various
    pile driving systems lifted by large cranes under different angular driving configurations and setups.
    Some key achievements:
    + Made Excel spreadsheets for load and stability analysis.
    + Derived a stability method allowing verification of Pile-crane system stability directly from the crane load chart.
    + Demonstrated & confirmed the amazing failure of helical seam steel piles through FEA impact inducing failure simulation.
    + Demonstrated & confirmed the crack initiation on pile helmets through FEA impact simulation; provided a cheap remediation.
    + Co-specified innovative vibratory and impulse/impact driving systems.
    Software used: SolidWorks, CosmosWorks, CosmosMotion, Excel …

    Research Associate- University of Houston/ VERI (Houston, Texas)  01/01 – 07/01

    Conducted computer simulations and modeling on human soft tissue hyper-elasticstretching behavior. The project was part of a computer-assisted post-mastectomy for tissue reconstructive surgery aiming to assist and provide physicianswith tools to better reconstruct the tissues' shape without leaving residual stresses. Duties included: development of 3D/2D Finite-Elements tissue models using Abaqus and Matlab; meeting regularly with leading MD-Anderson Cancer Center physiciansdiscussing progress made and assessing the computer models. Witnessed a 16-hours live reconstructive surgical procedure.

    Used: Abaqus, Matlab (Optimization and Partial Differential Equations toolboxes), and Maple among others..

    Research Associate- University of Houston/ Department of Mechanical Engineering, (Houston, Texas)                     06/00 – 12/00

    Studied the dynamic behavior of NiTi shape memory alloy samples using the Split Hopkinson bars apparatus. Duties included the design, setup, and calibration of the experimental apparatus using PMMA test samples; Studied the material dynamic behavior subjected to impacts at high-strain rates; Investigated and demonstrated experimentally the samples’ shape self-recovery phenomenon.

    Used: Light gas-gun, strain and pressure gages, high-resolution digital oscilloscope, Matlab software

    Research Engineer - Serlog Industry (ST Denis, France)                                                                                               10/94 – 02/95

    Extension of the previous overhead crane project allowing the writing of a synthesizing document that may serve as a reference for the nuclear safety regulation of overhead cranes.

    Research Engineer - French Power Energy Generator (EDF) /AMV Department (Clamart, France)                            10/91–09/94

    Studied and assessed the seismic behavior of safety regulated nuclear overhead cranes.
     Developed a simplified seismic calculation method adapted for sliding structures based on the response spectrum and probabilistic
    equivalent linearization methods using Markov system and Focker-Kolmogorov-Planck Equations;
     Designed scale models of overhead cranes respecting the similitude of scale;
     Performed modal analyses of scale models with free and fixed supports conditions to simulate the all-sliding and all-sticking
    rollers conditions;
     Seismic tests performed with a shake table on scale models of overhead cranes with consideration of sliding possibility at the
    braked rollers and supports;
     Developed and modified Fortran subroutines for the 2D friction model called by the Finite Elements modal transient integration
    method into the company’s CODE_ASTER software;
     Performed seismic simulations (Monte Carlo) on FE models of cranes with 2D Coulomb's friction law at the braked rollers;
     Co-developed a 2D positioning transducer based on an emitting-light computer mouse, which then was used to measure the plan
    coordinates of each roller/support of the crane scale models.
     Published and presented conference and international congress papers and wrote regular internal progress reports and notes;
     Supervised three graduate students.
    Used: I-DEAS, MATLAB, LMS CADA-X, CODE_ASTER, MAPLE, AutoCAD, HP-PARAGON, FORTRAN, Digital Oscilloscopes
    Knowledge of ASME codes Sections III, VIII, B31.1-4.

     

    R&D Engineer - Commissariat to the Atomic Energy (CEA) / LCH Laboratory(Cadarache, France)                          04/91 – 06/91

    Studied the buckling of the fuel pins’ holding zirconium grids of a PWR reactor under extreme load conditions such as an earthquake or a Loss of Coolant Accident (LOCA).

    ·      Finite-elements analyses of the holding grids with the company’s CASTEM2000 software.

    ·      Computer simulations of the grids’ buckling and derivation of the critical load and buckling mode.

     

    Research Assistant - Laboratory of Physics and Mechanics of Material (Metz, France)                                               04/90 – 06/90

    Assisted in setting-up and analyzing results from an experiment for the study of wave propagation in non-elastic materials using a Hopkinson bars apparatus, strain gages and high-resolution digital oscilloscope.

    Engineer Associate - VEGA AUTOMATION (Manufacturer of packaging machines), (Troyes, France)                       05/87 – 06/87

    Smoothed the profiles of high cadence cams used to synchronize different motions of intricate packaging machines.

    Reduced the induced output translation (cam’s radial) inertia by introducing a sinusoidal variation to the profile between the cam’s stages. Made a Lisp program under AutoCAD, allowing an easy parametric design of the cam’s profile.

     

    COMPUTER SKILL

    Languages:    FORTRAN, Turbo-Pascal, GW-Basic, Lisp, C/C++, ASP, HTML, database (MS-SQL, MS-Access, Siebel)

    Computers:    Cray, IBM, SUN and HP stations, Macintosh and PC Computers.

    Internet:          Designed an e-commerce website based on ASP and MS-SQL database.

     

    EDUCATION

    2001          Post-Doctoral Fellowship in Mechanical Engineering (Dynamics, Hyper-elasticity), University of Houston

    1998          Doctorate (PhD equivalent)  in Mecha. Eng. with emphasis on Structural Dynamics, Acoustics and Vibration;

                       University of Paris-6 and National Institute for Nuclear Science and Technology (NINST); Paris, France

    1991          MS in Solid Mechanics and Structural Dynamics; University of Paris-6 & NINST; Paris, France

    1990          BS in Mechanical Engineering and Technology Mechanics; University of Metz, France

     

    OTHER

    Enthusiastic, entrepreneurial and highly innovative, can-do attitude, resourceful problem solver, comfortable in a fast-moving and highly dynamic environment.


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