By Dr Sebastian Moritz Oberst

Journal articles

Sepehrirahnama S; Oberst S; Chiang YK; Powell D, 2021, 'Acoustic radiation force and radiation torque beyond particles: Effects of nonspherical shape and Willis coupling', Physical Review E, 104, http://dx.doi.org/10.1103/PhysRevE.104.065003

Chiang YK; Quan L; Peng Y; Sepehrirahnama S; Oberst S; Alù A; Powell DA, 2021, 'Scalable Metagrating for Efficient Ultrasonic Focusing', Physical Review Applied, 16, http://dx.doi.org/10.1103/PhysRevApplied.16.064014

Oberst S; Martin R; Halkon B; Lai J; Evans T; Saadatfar M, 2021, 'Submillimetre mechanistic designs of termite-built structures', Journal of the Royal Society Interface, 18, pp. 20200957 - 20200957, http://dx.doi.org/10.1098/rsif.2020.0957

Stender M; Tiedemann M; Spieler D; Schoepflin D; Hoffmann N; Oberst S, 2021, 'Deep learning for brake squeal: Brake noise detection, characterization and prediction', Mechanical Systems and Signal Processing, 149, http://dx.doi.org/10.1016/j.ymssp.2020.107181

Chiang YK; Oberst S; Melnikov A; Quan L; Marburg S; Alù A; Powell DA, 2020, 'Reconfigurable Acoustic Metagrating for High-Efficiency Anomalous Reflection', Physical Review Applied, 13, pp. 064067, http://dx.doi.org/10.1103/PHYSREVAPPLIED.13.064067

Gong S; Oberst S; Wang X, 2020, 'An experimentally validated rubber shear spring model for vibrating flip-flow screens', Mechanical Systems and Signal Processing, 139, http://dx.doi.org/10.1016/j.ymssp.2020.106619

Melnikov A; Maeder M; Friedrich N; Pozhanka Y; Wollmann A; Scheffler M; Oberst S; Powell D; Marburg S, 2020, 'Acoustic metamaterial capsule for reduction of stage machinery noise', Journal of the Acoustical Society of America, 147, pp. 1491 - 1503, http://dx.doi.org/10.1121/10.0000857

Oberst S; Lai JCS; Martin R; Halkon BJ; Saadatfar M; Evans TA, 2020, 'Revisiting stigmergy in light of multi-functional, biogenic, termite structures as communication channel', Computational and Structural Biotechnology Journal, 18, pp. 2522 - 2534, http://dx.doi.org/10.1016/j.csbj.2020.08.012

Lu S; Oberst S; Zhang G; Luo Z, 2019, 'Bifurcation analysis of dynamic pricing processes with nonlinear external reference effects', Communications in Nonlinear Science and Numerical Simulation, 79, http://dx.doi.org/10.1016/j.cnsns.2019.104929

Stender M; Oberst S; Tiedemann M; Hoffmann N, 2019, 'Complex machine dynamics: systematic recurrence quantification analysis of disk brake vibration data', Nonlinear Dynamics, 94, pp. 2483 - 2497, http://dx.doi.org/10.1007/s11071-019-05143-x

Melnikov A; Chiang YK; Quan L; Oberst S; Alù A; Marburg S; Powell D, 2019, 'Acoustic meta-atom with experimentally verified maximum Willis coupling', Nature Communications, 10, pp. 3148, http://dx.doi.org/10.1038/s41467-019-10915-5

Oberst S; Lenz M; Lai J; Evans T, 2019, 'Termites manipulate moisture content of wood to maximize foraging resources', Biology Letters, 15, http://dx.doi.org/10.1098/rsbl.2019.0365

Zhang Z; Oberst S; Lai JCS, 2019, 'A non-linear friction work formulation for the analysis of self-excited vibrations', Journal of Sound and Vibration, 443, pp. 328 - 340, http://dx.doi.org/10.1016/j.jsv.2018.11.017

Stender M; Oberst S; Hoffmann N, 2019, 'Recovery of Differential Equations from Impulse Response Time Series Data for Model Identification and Feature Extraction', Vibration, 2, pp. 25 - 46, http://dx.doi.org/10.20944/preprints201812.0237.v1

Jordaan J; Punzet S; Melnikov A; Oberst S; Sanches A; Marburg S; Powell D, 2018, 'Measuring monopole and dipole polarizability of acoustic meta-atoms', Applied Physics Letters, 113, pp. 224102, http://dx.doi.org/10.1063/1.5052661

Oberst S; Lai J; Evans T, 2018, 'Key physical wood properties in termite foraging decisions', Journal of the Royal Society Interface, 15, pp. 20180505 - 20180505, http://dx.doi.org/10.1098/rsif.2018.0505

Oberst SM; Tuttle SL, 2018, 'Nonlinear dynamics of thin-walled elastic structures for applications in space', Mechanical Systems and Signal Processing, 110, pp. 469 - 484, http://dx.doi.org/10.1016/j.ymssp.2018.03.021

Oberst SM; Niven RK; Lester DR; Ord A; Hobbs B; Hoffmann N, 2018, 'Detection of unstable periodic orbits in mineralising geological systems', Chaos, 28, pp. 085711 - 085721, http://dx.doi.org/10.1063/1.5024134

Oberst S; Baetz J; Campbell G; Lampe F; Lai JCS; Hoffmann N; Morlock M, 2018, 'Vibro-acoustic and nonlinear analysis of cadavric femoral bone impaction in cavity preparations', International Journal of Mechanical Sciences, 144, pp. 739 - 745, http://dx.doi.org/10.1016/j.ijmecsci.2018.05.051

Oberst S; Tuttle SL; Griffin D; Lambert A; Boyce RR, 2018, 'Experimental validation of tape springs to be used as thin-walled space structures', Journal of Sound and Vibration, 419, pp. 558 - 570, http://dx.doi.org/10.1016/j.jsv.2018.01.014

Stender M; Tiedemann M; Hoffmann N; Oberst SM, 2018, 'Impact of an irregular friction formulation on dynamics of a minimal model for brake squeal', Mechanical Systems and Signal Processing, pp. 439 - 451, http://dx.doi.org/10.1016/j.ymssp.2018.01.032

Oberst SM; Marburg S; Hoffmann N, 2017, 'Determining periodic orbits via nonlinear filtering and recurrence spectra in the presence of noise', Procedia Engineering, 199C, pp. 772 - 777

Oberst SM; Bann G; Lai JCS; Evans TA, 2017, 'Cryptic termites avoid predatory ants by listening to vibrational cues from their footsteps', Ecology Letters, 20, pp. 212 - 221, http://dx.doi.org/10.1111/ele.12727

Oberst SM, 2016, 'A systematic statistical approach to investigate key material parameters in termite foraging', PeerJ (Preprint), pp. 1 - 19

Oberst SM; Zhang Z; Lai JCS, 2016, 'The role of nonlinearity and uncertainty in assessing disc brake squeal propensity', SAE International Journal of Passenger Cars: Mechanical Systems, 9, pp. 2016-01-1777 - 2016-01-1777

Zhang Z; Oberst SM; Lai JCS, 2016, 'On the potential of uncertainty analysis in disc brake squeal', Journal of Sound and Vibration, pp. 1 - 15, http://dx.doi.org/10.1016/j.jsv.2016.05.023

Oberst SM; Lai JCS; Evans TA, 2016, 'Termites utilise clay to build structural supports and so increase foraging resources', Scientific Reports, 6, pp. 20990 - 20994, http://dx.doi.org/10.1038/srep20990

Zhang Z; Oberst SM; Lai JCS, 2015, 'Instability analysis of friction oscillators with uncertainty in friction law distribution', Proceedings of the Institution of Mechanical Engineers Part C: Journal of Mechanical Engineering Science, http://dx.doi.org/10.1177/0954406215616421

Oberst SM; Lai JCS, 2015, 'Squeal noise in simple numerical brake models', Journal of Sound and Vibration, 352, pp. 129 - 141, http://dx.doi.org/10.1016/j.jsv.2015.05.005

Oberst S; Lai JCS, 2015, 'Nonlinear transient and chaotic interactions in disc brake squeal', Journal of Sound and Vibration, 342, pp. 272 - 289, http://dx.doi.org/10.1016/j.jsv.2015.01.005

Oberst SM; Nava-Baro E; Lai JCS; Evans TA, 2015, 'An innovative signal processing technique for the extraction of ants' walking signals', Acoustics Australia, pp. 1 - 12, http://dx.doi.org/10.1007/s40857-015-0003-x

Oberst SM; Lai JCS, 2015, 'Pad-mode-induced instantaneous mode instability for simple models of brake systems', Mechanical Systems and Signal Processing, pp. 1 - 15, http://dx.doi.org/10.1016/j.ymssp.2015.03.023

Oberst SM; Lai JCS, 2015, 'A statistical approach to estimate the Lyapunov spectrum in disc brake squeal', Journal of Sound and Vibration, 334, pp. 120 - 135, http://dx.doi.org/10.1016/j.jsv.2014.06.025

Oberst SM; Baro EN; Lai JCS; Evans TA, 2014, 'Quantifying ant activity using vibration measurements', PLoS ONE, 9, pp. e90902 - 1, http://dx.doi.org/10.1371/journal.pone.0090902

Oberst SM; Evans, TA ; Lai JCS, 2014, 'Novel method for pairing wood samples in choice tests', PLoS ONE, 9, pp. 1 - 7, http://dx.doi.org/10.1371/journal.pone.0088835

Oberst SM; Lai JCS, 2013, 'The role of pad-modes and nonlinearity in instantaneous mode squeal', The Journal of the Acoustical Society of America, 133, pp. 3462 - 3462, http://dx.doi.org/10.1121/1.4806162

Oberst SM; Lai JC; Marburg S, 2013, 'Guidelines for numerical vibration and acoustic analysis of disc brake squeal using simple models of brake systems', Journal of Sound and Vibration, 332, pp. 2284 - 2299, http://dx.doi.org/10.1016/%20j.jsv.2012.11.034i

Oberst SM; Lai JC, 2011, 'Chaos in Brake Squeal Noise', Journal of Sound and Vibration, 330, pp. 955 - 975, http://dx.doi.org/10.1016/j.jsv.2010.09.009

Oberst SM; Lai JC, 2011, 'Statistical analysis of brake squeal noise', Journal of Sound and Vibration, 330, pp. 2978 - 2994, http://dx.doi.org/10.1016/j.jsv.2010.12.021

Merz S; Oberst SM; Dylejko PG; Kessissoglou N; Tso YK; Marburg S, 2007, 'Development of coupled FE/BE models to investigate the structural and acoustic responses of a submerged vessel.', Journal of Computational Acoustics, 15, pp. 23 - 47

Conference Papers

Oberst S; Tofigh F; Lai J; Evans T, 2024, 'A microactuator device to mimic ant vibrations for termite deterrence on life plants', in Proceedings of Acoustics 2024 Acoustics in the Sun

Mohapatra AR; Nerse C; Oberst S; Navarro-Payá D; Etxeberria J; Matus JT; Bianco L; Tucci MR; Casacci LP; Barbero F, 2024, 'A STUDY TO CLASSIFY WILD BEES’ SIGNAL USING TIME SERIES ANALYSIS', in Proceedings of the International Congress on Sound and Vibration

Chahoud O; Sansom T; Wöhrl T; Oberst S, 2024, 'Design of an Instrumented, Modular Insect Arena for Motion Analysis and Measuring Ground Reaction Forces of Small Arthropods', in Proceedings of Acoustics 2024 Acoustics in the Sun

Liu J; Nerse C; Oberst S, 2024, 'INFLUENCE ON CLASSIFICATION ACCURACY OF PARTIALLY ANNOTATED UNDERWATER ANIMAL SOUNDS BY COMBINING MEL-SPECTRA AND RECURRENCE PLOTS', in Proceedings of the International Congress on Sound and Vibration

Bayat A; Oberst S; Lai JCS, 2023, 'NUMERICAL SIMULATION OF HEAT TRANSFER IN TERMITE MOUNDS', in Proceeding of International Heat Transfer Conference 17, Begellhouse, pp. 10 - 10, presented at International Heat Transfer Conference 17, 14 August 2023 - 18 August 2023, http://dx.doi.org/10.1615/ihtc17.210-380

Sepehrirahnama S; Sansom T; Lai JCS; Oberst S, 2023, 'Design of a miniaturised micro-force plate to study the locomotion of small arthropods', in Proceedings of the International Congress on Sound and Vibration, Prague, presented at 29th International Congress on Sound and Vibration, Prague, 09 July 2023 - 13 July 2023, https://iiav.org/content/archives_icsv_last/2023_icsv29/content/papers/papers/full_paper_374_20230424100509156.pdf

Nerse C; Oberst S; Navarro-Payá D; Etxeberria J; Matus JT; Bianco L; Casacci LP; Barbero F, 2023, 'PROPENSITY TO EFFICIENTLY TRANSMIT VIBRATIONS IN SNAPDRAGONS IN RESPONSE TO VIBROACOUSTIC SIGNALLING', in Proceedings of the International Congress on Sound and Vibration

Sepehrirahnama S; McManus H; Oberst S, 2022, 'ACOUSTIC LEVITATOR-TWEEZER USING PRE-PROGRAMMED ACOUSTIC HOLOGRAMS', in Proceedings of the International Congress on Sound and Vibration

Nerse C; Oberst S; Moore S; MacGillivray I, 2022, 'ASSESSMENT OF FLANKING TRANSMISSIONS IN MEASUREMENTS OF SOUND TRANSMISSION LOSS OF MULTILAYER PANELS', in Proceedings of the International Congress on Sound and Vibration

Tofigh F; Sepehrirahnama S; Lai JCS; Oberst S, 2022, 'CHARACTERISING AND CALIBRATING PIEZO ACTUATORS FOR MICRO-EXCITATION FOR VIBRATION PLAYBACK IN BI-OASSAYS OF INSECTS', in Proceedings of the International Congress on Sound and Vibration

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