Latest Space News
Thu, 13 May 2021 00:08:20 +0000
Ongoing work to address a problem seen on two previous Ariane 5 launches has kept that launch vehicle grounded for months and could delay the high-profile launch of NASA’s James Webb Space Telescope later this year. SpaceNews
Wed, 12 May 2021 22:08:19 +0000
An amendment to a Senate bill would require NASA to select a second company for its Human Lander System program, a provision some fear could upend the overall effort to return humans to the moon as soon as 2024. SpaceNews
Wed, 12 May 2021 21:45:02 +0000
The U.S. Air Force wants to use small radar satellites to track moving objects on the ground and the Space Force will help to make it happen, chief of space operations Gen. John Raymond said May 12. SpaceNews
Wed, 12 May 2021 17:20:57 +0000
British quantum technology encryption startup Arqit is raising $400 million in the space industry’s latest SPAC deal, supporting the launch and construction of two satellites in 2023 to protect against growing hacking threats. SpaceNews
Wed, 12 May 2021 12:00:28 +0000
The University of Illinois Urbana-Champaign awarded a contract to Blue Canyon Technologies to provide cubesats for a space mission sponsored by the National Science Foundation. The value of the award was not disclosed. SpaceNews
Wed, 12 May 2021 12:00:25 +0000
Space hospitality company Orbite has unveiled a training program for potential space tourists, given them a taste of the spaceflight experience. SpaceNews
Tue, 11 May 2021 23:06:34 +0000
The U.S. Space Force on May 11 issued requests for proposals for next-generation rocket engine testing, launch vehicle upper stage enhancements, and capabilities to maneuver in space. SpaceNews
Tue, 11 May 2021 22:36:56 +0000
The FAA has denied a payload review for in-space transportation company Momentus, meaning the company will miss its second opportunity to launch its first tugs. SpaceNews
Tue, 11 May 2021 20:58:31 +0000
French satellite operator Eutelsat said revenue numbers will look much better than it expected come the end of June, despite reporting a decline in sales in its latest quarterly results. SpaceNews
Tue, 11 May 2021 16:12:34 +0000
The U.S. Space Force has officially renamed the 45th Space Wing that oversees Florida’s launch ranges Space Launch Delta 45. SpaceNews
Tue, 11 May 2021 14:00:11 +0000
The chairman of the Senate Select Committee on Intelligence Sen. Mark Warner (D-Va.) is backing efforts by Sen. Michael Bennet (D-Colo.) to challenge the relocation of U.S. Space Command. SpaceNews
Tue, 11 May 2021 11:41:12 +0000
Bob Cabana, a former astronaut and longtime head of NASA’s Kennedy Space Center, will become NASA associate administrator later this month, replacing the retiring Steve Jurczyk. SpaceNews
Tue, 11 May 2021 11:00:05 +0000
NASA says it’s seeing strong interest from companies proposing private astronaut missions to the International Space Station, with the demand for such missions exceeding the agency’s ability to accommodate them. SpaceNews
Tue, 11 May 2021 08:42:49 +0000
Virgin Galactic said May 10 that while it believes it corrected a problem with its SpaceShipTwo suborbital spaceplane that aborted a test flight five months ago, the resumption of those test flights could be further delayed by a problem with the plane that carries SpaceShipTwo aloft. SpaceNews
Mon, 10 May 2021 21:38:45 +0000
Less than two days after parts of an uncontrolled Chinese rocket fell into the Indian Ocean, the Pentagon said allowing a large booster to free fall toward Earth is “irresponsible behavior.” SpaceNews
Mon, 10 May 2021 20:52:35 +0000
Inmarsat is pivoting to an administrative court in its battle to stop the Netherlands from auctioning 3.5 GHz spectrum, which the British satellite operator says it does not want to cede to bandwidth-hungry 5G networks. SpaceNews
Mon, 10 May 2021 20:47:53 +0000
Satellite operator Orbcomm said May 10 it did not get any alternative proposals in its 30-day “go-shop” period, which followed private equity firm GI Partners’ $1.1 billion acquisition offer.  SpaceNews
Mon, 10 May 2021 16:34:51 +0000
OneWeb, the U.K.-headquartered low Earth orbit (LEO) broadband operator, is buying Texas-based managed satcoms provider TrustComm to create a new government subsidiary. SpaceNews
Mon, 10 May 2021 14:05:14 +0000
The chief of South Korea’s space agency has vowed to spin off near-term applications to the private sector and refocus the agency on long-term investments that “won’t pay off until 2050.” SpaceNews
Mon, 10 May 2021 14:00:38 +0000
The evolving quality and quantity of Earth observation data enables an ever-increasingly profound knowledge of the climate crisis, enhancing the efficacy of mitigation strategies as well as the management of risk and natural or human-made disasters. SpaceNews
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  • CV: Senior Principal Engineer / Analyst / Consultant

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
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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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