Latest Space News
Sun, 17 Nov 2019 23:42:07 +0000
Maj. Gen. Stephen Whiting said the transfer of space traffic management responsibilities can't happen until Commerce gets the necessary resources. SpaceNews.com
Fri, 15 Nov 2019 22:36:16 +0000
The 10-year contract is for operations and support of the Advanced Extremely High Frequency, Milstar and Defense Satellite Communications System constellations. SpaceNews.com
Fri, 15 Nov 2019 18:51:17 +0000
Exos Aerospace said the failed launch of a reusable suborbital sounding rocket last month was caused by a structural failure of the rocket shortly after liftoff. SpaceNews.com
Fri, 15 Nov 2019 12:28:02 +0000
NASA’s inspector general warned in a new report that, because of commercial crew delays, utilization of the International Space Station will drop sharply in 2020 and that NASA runs the risk of losing access entirely by next fall. SpaceNews.com
Thu, 14 Nov 2019 23:52:00 +0000
EchoStar has ordered two tiny S-band satellites from Tyvak Nano-Satellite Systems to jumpstart a low-Earth-orbit constellation using spectrum gained through its October acquisition of IoT startup Helios Wire.  SpaceNews.com
Thu, 14 Nov 2019 22:06:27 +0000
NASA paid Boeing nearly $300 million more than originally planned in its commercial crew contract in part because of agency concerns that the company might drop out of the program, a new report claims. SpaceNews.com
Thu, 14 Nov 2019 21:47:58 +0000
SDA is the new term replacing Space Situational Awareness, according to an Oct. 4 memo from Air Force Space Command. SpaceNews.com
Thu, 14 Nov 2019 20:29:46 +0000
Loft Orbital has raised a fresh $13 million to continue development of a constellation of small satellites purpose-built to carry a mix of payloads for customers who don’t want to fly their own satellites.  SpaceNews.com
Thu, 14 Nov 2019 17:19:54 +0000
With growing bipartisan skepticism that NASA’s current plan to return humans to the moon by 2024 is achievable, members of the House Science Committee used a Nov. 13 hearing to advocate for a different, and arguably more conventional, approach. SpaceNews.com
Thu, 14 Nov 2019 12:04:44 +0000
SpaceX successfully tested Nov. 13 the thrusters used as part of the abort system for its Crew Dragon spacecraft, nearly seven months after a similar test resulted in the loss of another spacecraft. SpaceNews.com
Thu, 14 Nov 2019 04:49:10 +0000
The Senate Commerce Committee approved Nov. 13 a NASA authorization bill introduced a week earlier to extend the life of the International Space Station and support other agency programs. SpaceNews.com
Thu, 14 Nov 2019 01:37:18 +0000
Launcher won its first government funding when the U.S. Air Force awarded the the Brooklyn-based startup $1.5 million to accelerate development and testing of its E-2 rocket engine. SpaceNews.com
Wed, 13 Nov 2019 22:52:54 +0000
Chairman Adam Smith said House-Senate divide is deepening over the establishment of a Space Force SpaceNews.com
Wed, 13 Nov 2019 21:01:43 +0000
Mark Rigolle, CEO of LeoSat, told SpaceNews Nov. 13 that the company laid off all 13 employees — himself included — in August after its earlier investors decided not to fund the company any longer.  SpaceNews.com
Wed, 13 Nov 2019 19:41:33 +0000
Isotropic Systems has completed two-way communications tests of its electronically steered antenna using Avanti’s Hylas-4 satellite. SpaceNews.com
Wed, 13 Nov 2019 17:48:11 +0000
In its ongoing quest to increase launch vehicle production, Rocket Lab has unveiled a new industrial robotic system designed to speed up manufacturing of its Electron rocket. SpaceNews.com
Wed, 13 Nov 2019 17:03:25 +0000
The former chairman of the House aviation subcommittee and adviser to United Launch Alliance argues that all commercial spaceflight companies should support, rather than disrupt, the FAA's ongoing effort to streamline existing launch licensing processes. SpaceNews.com
Wed, 13 Nov 2019 12:56:40 +0000
China launches six remote sensing satellites into orbit with two launches inside three hours from sites in north China. SpaceNews.com
Wed, 13 Nov 2019 11:00:40 +0000
A new study says companies can build, launch and operate constellations to gather global imagery with a resolution of one meter for a fraction of the cost of previous constellations. SpaceNews.com
Wed, 13 Nov 2019 10:29:40 +0000
A NASA official warned that extended delays in finalizing a fiscal year 2020 budget for the agency could have implications for its ability to stay on schedule for returning humans to the moon in 2024. 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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