Mathias Myrtveit Sæther
Position
Researcher, Acoustics Group
Affiliation
- mathias.sather@uib.no
- Phone number
- +47 55582723
- Visitor address
-
Allégaten 55
5007 Bergen - Postal address
-
P.O. Box 7803NO-5020 BergenNorway
Mathias Myrtveit Sæther
Position
Researcher, Acoustics Group
Affiliation
Short info
My research involves
- Transducer development acoustic measurement systems
- Numerical modeling of wave propagation in fluids and solids
- Acosutic signature of gas hydrate bearing porous media
- Transducer development acoustic measurement systems
- Numerical modeling of wave propagation in fluids and solids
- Acosutic signature of gas hydrate bearing porous media
Publications
Academic lecture
- Sæther, Mathias Myrtveit; Kocbach, Jan Martin; Lunde, Per (2024). Transducers for gas measurement in the lower hundred kHz frequency range. (external link)
- Sæther, Mathias Myrtveit; Lunde, Per (2023). “Contributions from the backward- and forward-wave bands to ultrasonic beam transmission for a fluid-embedded steel plate”. (external link)
- Sæther, Mathias Myrtveit; Lunde, Per (2022). "Ultrasonic beam transmission in the backward and forward-wave frequency-wavenumber bands of a fluid-embedded steel plate", Proc. 2022 IEEE International Ultrasonics Symposium, Venice, Italy, 10-13 October 2022, 4 p. . (external link)
- Sæther, Mathias Myrtveit; Lunde, Per; Vestrheim, Magne (2022). Ultrasonic beam transmission through a water-immersed steel plate in the vicinity of the ZGV angle. (external link)
- Sæther, Mathias Myrtveit; Lunde, Per; Vestrheim, Magne (2021). Ultrasonic beam radiation from piston source through water-immersed steel plate using ASM. Pressure-to-pressure transfer function and numerical challenges. (external link)
- Sæther, Mathias; Midtbø, Simen Hammervold; Lunde, Per et al. (2020). Nearfield effects from leaky Lamb modes in a steel plate for normal beam incidence. (external link)
- Sæther, Mathias; Lunde, Per; Almenningen, Stian et al. (2019). Elastic wave velocities under methane hydrate growth in Bentheim sandstone. (external link)
- Sæther, Mathias; Lunde, Per; Almenningen, Stian et al. (2019). Acoustic laboratory measurements of hydrate-bearing Bentheim sandstones. (external link)
- Sæther, Mathias; Lunde, Per; Ersland, Geir (2016). Sound velocity measurement method for porous sandstone. Measurements, finite element modelling, and diffraction correction. (external link)
- Sæther, Mathias; Lunde, Per (2015). "Sound velocity measurement method for porous sandstone. Discussion and prelimirary results”. (external link)
Academic article
- Sæther, Mathias Myrtveit (2024). Numerical Integration and Angular Spectrum Modeling of Resonant and Non-Resonant Wave Interaction with a Solid Plate. (external link)
- Sæther, Mathias Myrtveit (2023). Customization of the angular spectrum method for calculating the acoustic piston field transmitted through a solid plate using MATLAB. (external link)
- Sæther, Mathias Myrtveit; Midtbø, Simen Hammervold; Lunde, Per (2022). Interaction of three-dimensional acoustic beam with fluid-loaded solid plate: Axial near- to far-field transmission at normal beam incidence. (external link)
- Sæther, Mathias Myrtveit; Almenningen, Stian; Ersland, Geir et al. (2022). Compressional wave phase velocity measurements during hydrate growth in partially and fully water saturated sandstone. (external link)
Masters thesis
- Økland, Håvard Råheim; Lunde, Per; Sæther, Mathias Myrtveit et al. (2023). Finite element modelling, construction and experimental characterization of piezoelectric transducers for gas. Master thesis. (external link)
- Isaksen, Irene Dahl; Lunde, Per; Sæther, Mathias Myrtveit et al. (2023). Normally incident ultrasonic beam transmission through a water-embedded steel plate as a function of ka-number. Master thesis.. (external link)
- Trætteberg, Philip; Lunde, Per; Sæther, Mathias Myrtveit et al. (2022). An analysis on material constants estimation for the low characteristic impedance piezoceramic Pz37HD using measurements and FEM modeling. Master thesis. (external link)
- Prøytz, Celine; Lunde, Per; Sæther, Mathias Myrtveit et al. (2022). Underwater ultrasonic transducer technology. Construction, characterization and finite-element modelling. Master thesis. (external link)
- Fosse, Espen; Lunde, Per; Sæther, Mathias Myrtveit et al. (2022). Finite element modeling and experimental characterization of piezoelectric ceramic disk in air. Master thesis. (external link)
- Finstad, Sverre Kongsro; Lunde, Per; Sæther, Mathias Myrtveit et al. (2021). Characterization and finite element modelling of piezoelectric ceramic discs vibrating in air, for a frequency range including the first two radial modes. Master thesis. (external link)