Size-dependent Thermal Conductivity

Matlab code to compute size-dependent thermal conductivity on arbitrary microstructures. The code is based on the model described in the following article:

  • Bouquet, Jean-Baptiste, and Julian J. Rimoli. "A length-dependent model for the thermomechanical response of ceramics." Journal of the Mechanics and Physics of Solids 82 (2015): 82-96.

The same model was adopted in our subsequent work on multi-scale topology optimization for enhanced heat transport properties:

  • Bouquet, Jean-Baptiste, Frederic Burgaud, and Julian J. Rimoli. "Exploiting length-dependent effects for the design of single-material systems with enhanced thermal transport properties." International Journal of Heat and Mass Transfer 101 (2016): 1227-1236.

This code is developed and maintained by Jean-Baptiste Bouquet and Prof. Julian J. Rimoli at Georgia Tech.

You can download the code here.

Tensegrity Lattices

The code is based on the concepts published in the following articles: 

  • Rimoli, Julian J., and Raj Kumar Pal. "Mechanical response of 3-dimensional tensegrity lattices." Composites Part B: Engineering 115 (2017): 30-42.
  • Rimoli, Julian J. "A reduced-order model for the dynamic and post-buckling behavior of tensegrity structures." Mechanics of Materials (in press).

This code is developed and maintained by Raj Kumar Pal, Hossein Salahshoor and Prof. Julian J. Rimoli at Georgia Tech.  

You can download the code here.

Julian J. Rimoli

Julian J. Rimoli is an Assistant Professor of Aerospace Engineering at the Georgia Institute of Technology. Dr. Rimoli obtained his Engineering Diploma in Aeronautics from Universidad Nacional de La Plata in 2001. He moved to the United States in 2004 and pursued graduate studies at Caltech, receiving his M.Sc. in Aeronautics in 2005 and his Ph.D. in Aeronautics in 2009. He then accepted a postdoctoral associate position at the Department of Aeronautics and Astronautics at MIT in Cambridge, MA, where he conducted research and supervised graduate students for over a year and a half. In January 2011, Dr. Rimoli joined Georgia Tech as Assistant Professor of Aerospace Engineering. His research interests lie within the broad field of computational solid mechanics with particular focus on aerospace applications. Dr. Rimoli has a special interest in problems involving multiple length and time scales, and in the development of theories and computational techniques for seamlessly bridging those scales. He is a member of AIAA, ASME, and USACM and is the recipient of the NSF CAREER Award, the Donald W. Douglas Prize Fellowship, the Ernest E. Sechler Memorial Award in Aeronautics, the James Clerk Maxwell Young Writers Prize, the Loockheed Dean's Award for Excellence in Teaching, and the Goizueta Junior Faculty Professorship.

Prof. Rimoli's publications are listed in his Google Scholar profile. Detailed information about his research and teaching interests is available in his Curriculum Vitae.

 

Educational Software

Prof. Rimoli enjoys exploring and creating novel ways of teaching science and engineering. Over the last few years, he has developed several mobile apps to demonstrate concepts, and to help students develop their own intuition on topics that are usually difficult to illustrate on a whiteboard. One app in particular grew up to a point that Prof. Rimoli decided to make it freely available to the broader community through Apple’s App Store and Google's Play Store. The name of the app is "Truss Me!" and its main goal is to help students, all the way from middle school to college, to build a conceptual understanding on how truss structures behave.

 

 

The app utilizes state of the art simulation techniques and advanced mechanics (finite deformation, plasticity, fracture) to provide the most realistic behavior for the structures. Using a challenge-based learning approach, “Truss Me!” helps students build intuition for problems that otherwise may require many years to master. “Truss Me!” combines an extremely realistic simulation engine with an intuitive interface, with the intention of impacting the curiosity and creativity of not only science and engineering oriented people but also young children and less technical individuals who will learn while playing. You can find more information about "Truss Me!" following this link .

Instructional Videos

Design and optimize the strucucture of a spacecraft for a safe moon landing:

 

 

Howe vs Pratt trusses, which one is better suited for building bridges?

 

 

Teaching 


Undergraduate Courses

  • AE 2610 - Introduction to Experimental Methods in Aerospace
  • COE 2001 - Statics
  • AE 3145 - Undergraduate Structures Lab

Graduate Courses

  • AE 6104 - Computational Mechanics
  • AE 8803 - Fundamentals of Solid Mechanics

Lab Director

  

 

Dr. Julian J. Rimoli

Assistant Professor of Aerospace Engineering

Georgia Institute of Technology

Tel: (404) 894-8386

E-Mail: julian.rimoli AT aerospace.gatech.edu

Curriculum Vitae

 

Postdoctoral Scholars

Claudio V. Di Leo  

 

Dr. Claudio V. Di Leo

E-Mail: cvdileo AT gatech.edu

Website: www.cvdileo.com

 

Raj Pal Kumar  

 

Dr. Raj Kumar Pal (co-advised with Prof. Massimo Ruzzene)

E-Mail: raj.pal AT aerospace.gatech.edu

Website: rkpal.gatech.edu

Graduate Students

Jean-Baptiste Bouquet  

 

Jean-Baptiste Bouquet

Ph.D. Student

E-Mail: jbouquet3 AT gatech.edu

Amirhossein Salahshoor  

 

Amirhossein Salahshoor

Ph.D. Student

E-Mail: hssp3 AT gatech.edu

Aaron Schinder  

 

Aaron Schinder (co-advised with Prof. Mitchell Walker)

Ph.D. Student

E-Mail: aschinder3 AT gatech.edu

German Capuano  

 

German Capuano

Ph.D. Student

E-Mail: gcapuano AT gatech.edu

Amirhossein Salahshoor  

 

Azlan Shah Bin Abdul Jalil

M.Sc. Student

E-Mail: azlan AT gatech.edu 

Undergraduate Students

Christine Gabara  

 

Christine A. Gebara

E-Mail: christine.gebara AT gatech.edu

 

Eric Stewart  

 

Eric M. Stewart

E-Mail: estewart AT gatech.edu

Sergio A. Sandoval  

 

Sergio A. Sandoval

E-Mail: ssandoval3 AT gatech.edu

Support Staff

Bethany L. Smith  

Bethany L. Smith

Administrative Assistant

Tel: (404) 894-3251

E-Mail: bethany.smith AT aerospace.gatech.edu

Rimoli's group conducts research within the broad field of computational solid mechanics, with particular interest in aerospace applications involving multiphysics and multiscale modeling of solids.

Publications

Please follow the link to Google Scholar profile.

Ongoing Projects at Georgia Tech

  • High-Fidelity Coupling of Predictive Plasma-Wall Models (Co-PI)
    Funding agency: Air Force Office for Scientific Research.
  • Development of a Robotic Landing Gear For Rotorcraft (Co-PI)
    Funding agency: DARPA.
  • CAREER: Modeling Materials Across the Length Scales to Achieve Enhanced Thermomechanical Properties (PI)
    Funding agency: National Science Foundation.
  • Tensegrity Damping Strategies for Controlled Hopping on Small Solar System Bodies (PI)
    Funding agency: National Academy of Engineering - Grainger Foundation.
  • Model-Based Life Extending Control for Rotorcraft (Vertical Lift Center of Excellence Task) (Co-PI)
    Funding agency: Army Research Office.
  • Evacuated Airship for Mars Missions (Co-PI) 
    Funding agency: NASA.

Past Projects at Georgia Tech

  • Independent Evaluation of Super Puma EC225 Failure Analysis (Co-PI)
    Funding agency: Eurocopter France.
  • Computational and Experimental Multiscale Analysis of Heterogeneous Solids and Metamaterials (Co-PI)
    Funding agency: National Science Foundation.
  • Three-Dimensional Conjugate Direction Meshes for Crack Propagation Analysis (PI)
    Funding agency: Sandia National Laboratories.
  • Comprehensive Study of Plasma-Wall Sheath Transport Phenomena (Co-PI)
    Funding agency: Air Force Office for Scientific Research.
  • Guiding of High Amplitude Stress Waves Through Stress-Induced Domain Switching in Multiphase Materials (PI)
    Funding agency: Army Research Office.
  • Tensegrity Structures for Planetary Landing (PI)
    Funding agency: CSTAR - NASA/JPL.

Videos