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Dr Mihai Caleap

Dr Mihai Caleap

Dr Mihai Caleap
BA, BSc, MSc, PhD(Bordeaux), MInstP

Senior Research Associate

Area of research

Wave Engineering with Multifunctional Metamaterials

Office 1.2 Queen's Building
Queen's Building,
University Walk, Clifton BS8 1TR
(See a map)

+44 (0) 117 331 5919


Dr Caleap's research is multi-disciplinary encompassing various engineering disciplines, applied mathematics and physics. His research interests cover various aspects of wave propagation in heterogeneous complex media, including composite materials and metamaterials; his work encompasses ultrasonic array imaging, multiple scattering and ultrasonic particle manipulation.

Dr. Caleap is currently exploiting the emerging possibility of designing fluid-particle mixtures or composite materials to form acoustic or elastic metamaterials for various applications including reconfigurable ultrasonic filters, ultrasonic meta-lenses for super-resolution imaging of tiny defects, vibration cloaking of sensitive components, and stealth applications for the military and security sectors. 

Current activity involves: 

  • Meta-surfaces for sound and micro-wave control
  • Assembly of reconfigurable colloidal crystals and micro-particle super-lattices due to a synergy of fundamental nanoscale forces (e.g. acoustic & magnetic radiation forces)
  • Acoustic, elastodynamic and electromagnetic metamaterials
  • Particle manipulation with ultrasound
  • Non-destructive evaluation and guided waves
  • Wave propagation in heterogeneous media
  • Linear and non-linear ultrasonics
  • Super-resolution imaging
  • Acoustic quasicrystals

Research grants

From biological floral echo-signalling to novel sonic metadevices

 Faculty research pump-priming, 2015

Modelling approaches for depth-insensitive broadband acoustic absorber (for sonar applications)

Period: April 2014, for 7 months
Funded by: Centre for Defence Enterprise (Grant no. CDE34799)
Under contract with Atlas Elektronik UK Ltd



Dr. Mihai Caleap is the lead researcher in wave engineering with multifunctional metamaterials and novel microstructures at the University of Bristol. He earned a Bachelor’s Degree in Mathematics and Physics, as well as a Master’s Degree in Engineering Physics. Dr. Caleap obtained his PhD in Mechanical Engineering in 2009 from the Institute of Mechanical Engineering at Université de Bordeaux, France and subsequently briefly worked there as an Assistant Professor for 9 months. From July 2009 to the present he worked as an academic in the Department of Mechanical Engineering at the University of Bristol.


PhD supervision

Interested in supervising students studying:

  • Assembly of ultrasonic colloidal crystals
  • Ultrasonic particle manipulation
  • Acoustic metamaterials
  • Acoustic cloaking
  • Transformation acoustics
  • Multiple wave scattering
  • Phononic crystals

Funding: PhD Studentships are offered on a self-funding basis. They are open to applicants with funding or those applying to funding sources. 

Details of tuition fees and funding can be found at


  • Physics
  • Applied Mathematics
  • Mechanical Engineering
  • Geophysics

Selected publications

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Recent publications

View complete publications list in the University of Bristol publications system

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