Andris CHATE

Professor, Dr.sc.ing. Andris CHATE Head of Division of Composite Structures and Materials, Institute of Materials and Structures,  Riga Technical University  Kalku iela 1  Riga, LV1658  Latvia  Phone: +371 -708 9124 Fax: +371 708 9254  E-mail: and_cate@latnet.lv

 Born: July 5, 1952, Cesis Latvia

• Composite Materials
• Finite Element Method
• Optimisation and Identification
• Solid and Structural Mechanics

Languages: Latvian, English, and Russian

Education

• Riga Technical University (Faculty of Computer Science and Computer Engineering), 1975
• Dr.sc.ing. (Candidate of Science in former USSR, PhD in Western countries), Institute of Polymer Mechanics, Latvian Academy of Sciences, 1981
• Professor, Head, Chair (Division) of Composite Materials and Structures, Faculty of Civil Engineering, Riga Technical University,

Experience

• Engineer, Research Associate, Institute of Polymer Mechanics, Latvian Academy of Science, 1975-1981
• Senior Lecturer, Department of Strength of Materials, Riga Technical University, 1981- 1986
• Senior Researcher, CAD Center, Riga Technical University, 1986- 1994
• Senior Researcher, Institute of Computer Analysis of Structures, Riga Technical University, 1994 – 1999
• Associate Professor, Institute of Materials and Structures, Riga Technical University, 1999 – 2003
• Professor, Head of Division Composite Materials and Structures, Riga Technical University, 2003 –

• University of Wales, Swansea, UK, 1990 (2 months) and 1998 (1 month)
• Royal Institute of Technology, Stockholm, Sweden, 1993 (3 month) and 1998 (1 month)
• University of Kassel, Germany 1991 – 2002 (2 -3 months yearly)

Professional Activities and Memberships

• Member, Promotion Council “RTU P-03” in Engineering Sciences; specialty: Mechanics of Solids, Riga Technical University
• Member, Promotion Council “RTU P-06” in Engineering Sciences; specialty: Civil Engineering, Riga Technical University
• Member, Professors Council, Building Technology and Architecture, Riga Technical University

Courses

Riga Technical University:

• Mechanics of Materials, 1981-1990
• Finite Element Method in Solid Mechanics, 1986-1989;
• Finite Element Method. Course of Lectures, 1999-
• Advanced Materials in Civil Engineering, 1999-
• Structural Optimization, 2003-

• Introduction in Finite Element Method, University of Kassel, Institute of Materials Science, Germany, 1995
• Introduction in Mechanics of Composite Materials, First School on Composite Materials in Mexico, University of Colima, Mexico, 1996; University of Kassel, Institute of Materials Science, Germany, 1996
• Fracture Mechanics of Composite Materials. Course of Lectures, University of Kassel, Institute of Material Science, Germany, 1997; University of Halle, Institute of Applied Mechanics, Germany, 1997
• Methods of Identification of Material Properties. Course of Lectures, University of Kassel, Institute of Materials Science, Germany, 1998
• Finite Element Analysis of Laminated Structures. Course of Lectures, University of Kassel, Institute of Materials Science, Germany, 1999

Recent/Representative Publications

Over 120 published works in scientific journals and proceedings of conferences.

• Chate A., Mäkinen K., Plane Finite Element for Static and Free Vibration Analysis of Sandwich Plates. - Mechanics of Composite Materials, 30 (2) (1994) 238-248.
• Chate A., Rikards R., Mäkinen K., Olsson K., Free Vibration Analysis of Sandwich Plates on Flexible Supports. - Mechanics of Composite Materials and Structures , 2 (1995) 1-18.
• R. Rikards, A. Chate, A. Korjakin. Vibration and damping analysis of laminated composite plates by FE method. - Engineering Computations, 1995, 12 (1), pp.61-74.
• R. Rikards, A.Chate. Optimal design of sandwich and laminated composite plates based on planning of experiment. - Structural Optimization, 1995, 10 (1), pp.46-53.
• Rikards, R. and Chate, A. K., Vibration and damping analysis of laminated composite and sandwich shells. - Mechanics of Composite Materials and Structures, 4, (1997), 209-232.
• Rikards, R. and Chate A., Identification of elastic properties of composites by method of planning of experiments,- Composite Structures, 42 (3), 1998, 257-263.
• Rikards, R., Chate, A., Steinchen, W., Kessler, A. and Bledzki, A. K. Method for identification of elastic properties of laminates based on experiment design. - Composites. Part B, 30, 1999, 279-289.
• Bledzki, A. K., Kessler, A., Rikards, R. and Chate A. Determination of elastic constants of glass/epoxy unidirectional laminates by the vibration testing of plates. - Composites Science & Technology, 59, 1999, 2015-2024
• Rikards R., Chate A., G. Gailis., Identification of Elastic Properties of Laminates Based on Experiment Design.- International J. of Solids and Structures, 38 (2001) 5097-5117.
• Rikards R., Chate A., Ozolins O., Analysis of Buckling and Vibration of Composite Stiffened Shells and Plates. Composite Structures, 51 (2001) 361-370.
• Gassan J., Chate A., Bledzki A., Calculation of Elastic Properties of Natural Fibers. - Journal of Materials Science, 36 (2001) 3715-3720.
• Rikards R., Chate A., Ozolinsh O., Analysis for buckling and vibrations of composite stiffened shells.- Composite Structures, 51, 2001, 361-370.
• Rucevskis S., Chate A., Reichhold J., Bledzki A. K., Effective Elastic Constants of Unidirectional Fiber-Reinforced Composites with the Concept of Interphase. - International Journal of Applied Mechanics and Engineering, 8 (2003) 109 – 115.
• Rikards R., Abramovich H., Green T., Auzins J., Chate A., Identification of elastic properties of composite laminates. - Mechanics of Advanced Materials and Structures, 2003, vol. 10, pp. 335-352.

 European Research Projects (as principal investigator, head of projects Prof. R. Rikards)

• Improved Postbuckling Simulation for Design of Fibre Composite Stiffened Structures, POSICOSS (5^th  Framework, GROWTH, 2000-2004). Project coordinator DLR - German Aerospace Center, Germany.
• Advanced Composite Sandwich Steel Structures, SANDWICH (5^th Framework, GROWTH, 2002-2003). Project coordinator Meyer Werft, Papenburg, Germany.
• Design of an Advanced Composite Production Process for the Systematic Manufacture of Very Large Monocoque Hybrid Sandwich Structures for the Transportation Sectors, HYCOPROD (5^th Framework, GROWTH, 2002-2003). Project coordinator Advanced Railway Research Centre, University of Sheffield, United Kingdom.
• Integration of technologies in support of a passenger and environmentally friendly helicopter, FRIENDCOPTER (6^th  Framework, 2004-2007). Project coordinator Eurocopter Deutschland, Germany.
• Increasing Safety and Materials Exploitation of Composite Airframe Structures by Accurate Simulation of Collapse, COCOMAT (6^th  Framework, 2004-2007). Project coordinator DLR - German Aerospace Center, Germany.
• Integrated Project InterSHIP (6^th  Framework, 2003-2007). Project coordinator Kvaerner Masa Yards, Turku, Finland.

Latvian Research Projects

• A.Chate. (Principal Investigator of Project). Development of Functional Materials Based on the Investigation of the Structure and Biomechanical Properties of Biological Tissues. Latvian Council of Science (2004 -).
• Development of Methods for Optimal Design of Composite Materials and Structures. Latvian Council of Science (2001-2004).
• Identification of Mechanical Properties and Cracks of Laminated Composite Materials and Structures.(1997 – 2000)
• Dynamics and Fracture of Laminated Composite Structures Coupled with Fluid. (1994 – 1996)

Last update 10.11.2004