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Applications are invited from suitably qualified candidates for a Postdoc/Research Scientist position in the framework of a Danish/Nepalese collaborative research project, in the Materials Research Department of Risø National Laboratory, Denmark 

Job description: As a postdoc/scientist, you will carry out numerical micromechanical modelling of fatigue processes in wood. The theme of the project is the computational analysis of the effect of microstructures of natural materials (wood), coatings and other microscale parameters on their fatigue resistance and lifetime under cyclic loading. The experiments and verification of results will be carried out in collaboration with project partners in Kathmandu, Nepal. The deliverables of the project should include the development of recommendations for the improvement of the reliability of wind turbine blades, produced from coated wood in Nepal, as well as extracting “lessons from nature” to be used in the improvement of polymer matrix fiber reinforced composites for wind energy applications.  

We are in need of computational scientists to carry out heat and mass transfer research. The research is focused on gaining basic understanding of physical processes through theory and numerical experiments. The scientist may work on several different projects and must be able to apply research results to impact engineering projects. We are interested in candidates with skills in the areas of forced and natural convection heat transfer, gas flow in multiphase systems, material and chemical processes, hydrogen technology, and renewable energy systems. We are seeking candidates who can employ an appropriate combination of analytical and computational methods in problem-solving.

Candidates should have working knowledge in one or more of the following topical areas: multiphase systems, electrochemical systems, material processes, and/or renewable energy systems. Experience with computational fluid dynamics is desired, both compressible and incompressible flows, as well as methods development and highperformance computing. Candidates should be able to synthesize information from
physical and numerical experiments to solve engineering problems. We work on a dynamic and ever-changing set of problems. Successful candidates will be flexible and demonstrate the ability to rapidly master new physical areas.

The Mechanics of Materials Department performs fundamental experimental and analytical studies to understand the mechanical behavior of materials. Our experimental work covers the entire discovery-characterization-validation spectrum. Motivated by theory and observations, we develop models and the necessary numerical methods to simulate both deformation and failure under various mechanical and environmental loading conditions. The fidelity of our models and simulations varies from atomic to
continuum scales and is driven by both fundamental studies in material behavior and specific Sandia applications.

We are seeking a post-doctoral candidate with experience and interest in developing numerical methods and models for fracture to assist with a variety of material failure modeling and simulation activities. Knowledge of fracture mechanics and experience in numerical methods and code development are required. Also desired is experience with computational fracture methods, such as adaptive insertion, strain localization, and partition of unity methods for incorporating cohesive zone approaches to modeling fracture in a finite element framework. The position offers a unique opportunity to work closely with our team of fracture and
constitutive model developers, material scientists, experimentalists and analysts to investigate and model material failure in a variety of materials and systems from atomistic to continuum length scales.

The Mechanics of Materials Department performs experimental and analytical studies to understand the mechanical behavior of materials. Our experimental work covers the entire discoverycharacterization-validation spectrum. Motivated by observations, we develop models to simulate material responses under various loading and environmental conditions. The fidelity of our models and simulations vary from atomic to continuum scales corresponding to the requirement of Sandia applications. Accuracy of the models for specific applications is validated by experimental data. Numerical codes are developed to allow implementation of the material models for high performance computing simulations.

An applied mechanics engineer with a background in computational constitutive modeling development is sought to participate in our general continuum and multiscale model development effort. The applicant is also expected to implement models into Sandia computer codes for high performance computing simulations. In addition, the candidate will collaborate with structural analysts to apply these advanced models to Sandia applications.

MECHANICAL AND AEROSPACE ENGINEERING

POSITION: The Department of Mechanical and Aerospace Engineering invites applications for one or more TENURE-TRACK or TENURED FACULTY POSITIONS at the Assistant, Associate or Full Professor levels. Successful candidates will be expected to teach undergraduate and graduate courses in Mechanical and Aerospace Engineering and to establish a vigorous extramurally funded research program.

QUALIFICATIONS: Ph.D. or equivalent degree.

RANK AND SALARY: Level of appointment commensurate with qualifications; salary based on published UC pay scales.

CLOSING DATE FOR APPLICATIONS: November 30, 2006.

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