
Closed
Posted
Paid on delivery
I’m advancing a thesis that investigates how phononic metamaterials can be woven into the structure of next-generation VTOL aircraft to curb cabin noise without adding unwanted mass. My chief interest is noise reduction, and within that broad field I’m zeroing in on acoustic performance analysis rather than the preliminary material-selection stage or high-level structural layout. To achieve this, I need a simulation-driven study. Finite-element or boundary-element modelling in tools such as COMSOL, ANSYS, Abaqus, Actran, or a comparable acoustic solver will be central. The work should replicate—or, if possible, improve upon—state-of-the-art approaches to modelling phononic band-gap behaviour, quantify insertion loss across target frequency ranges, and translate those findings into practical design recommendations for VTOL cabin panels or airframe sections. Deliverables • A validated simulation model (geometry, material cards, boundary conditions, solver settings) capable of predicting the acoustic transmission loss of proposed phononic metamaterial inserts. • A concise technical report summarising methodology, key results, and design implications for VTOL architecture, including visual outputs such as dispersion curves and SPL maps. • Recommendations for prototype fabrication or follow-on experimental testing so that the study can transition from purely numerical analysis to a mixed numerical/empirical phase. Acceptance criteria: The model must resolve at least the first three relevant band gaps, provide convergence evidence, and demonstrate a minimum 6 dB predicted noise reduction in the 200–800 Hz range that dominates passenger-perceived cabin noise. If you have a strong background in aero-acoustics, metamaterial research, and advanced numerical simulation, I’d be glad to collaborate and integrate your findings into my thesis.
Project ID: 40667299
6 proposals
Remote project
Active 6 days ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
6 freelancers are bidding on average ₹9,667 INR for this job

Hi The key challenge is integrating phononic metamaterials into a VTOL structure while reducing vibration/noise without compromising structural strength or weight. I can support the research and simulation using ANSYS/Abaqus, including unit-cell modelling, band-structure/dispersion analysis, modal and harmonic response, vibration attenuation assessment, and integration of the metamaterial concept into the VTOL structure. I can also evaluate the influence of geometry, material properties, periodicity and boundary conditions and provide clear simulation results suitable for technical documentation/research. Please share the VTOL component you are targeting and the operating frequency range you want to attenuate. Best regards, Arati M.
₹7,000 INR in 7 days
6.7
6.7

Hi Resolving three meaningful phononic band gaps in the 200 to 800 Hz range is not a conventional FEA task. The critical part is getting the periodic unit cell physics, dispersion model and panel level acoustic response to agree before drawing conclusions about VTOL cabin noise reduction. My background combines aerospace engineering with advanced ANSYS based numerical simulation and industrial UAV analysis. For this study I would first build a representative phononic unit cell and apply Bloch Floquet periodic boundary conditions to extract the dispersion relation across the relevant Brillouin zone and identify the first three usable band gaps. The most promising configuration would then be integrated into a representative VTOL cabin panel or airframe section and evaluated through harmonic vibroacoustic analysis to quantify transmission loss and insertion loss across 200 to 800 Hz. The model will be checked through mesh convergence and a literature based benchmark so the results are numerically defensible. The required 6 dB reduction will be treated as a design target rather than assumed in advance. If the first configuration falls short, I will use the mode shapes and dispersion behaviour to identify which geometric parameters should be refined. You will receive the complete simulation model, material and boundary condition definitions, solver settings, convergence evidence, dispersion curves, SPL and acoustic field maps, transmission loss results, and a concise thesis ready technical report with recommendations for prototype fabrication and experimental validation. My quote is 12,500 INR with an 8 day delivery for the baseline metamaterial study and selected VTOL panel integration. If you share the thesis draft and any preferred reference papers or panel geometry, I can align the modelling methodology directly with your thesis structure from the beginning.
₹12,500 INR in 8 days
5.2
5.2

Hi, I can assist with your simulation-driven study of phononic metamaterials for VTOL cabin noise reduction, with the primary focus on acoustic performance rather than preliminary material selection or broad structural architecture. I understand the key objective is to develop a reliable numerical model capable of evaluating phononic band gaps, acoustic transmission loss, and cabin noise reduction across 200–800 Hz. I’ll clearly distinguish validated results, numerical predictions, and assumptions, which is particularly important for thesis-quality research. I’m available to review your existing literature, target VTOL configuration, frequency requirements, and preferred simulation platform before establishing the modelling methodology. Best regards, Bharti
₹8,000 INR in 3 days
4.4
4.4

I’m very interested in handling your thesis research on phononic metamaterials for VTOL cabin noise reduction. I can develop a simulation-driven acoustic/structural model using COMSOL, ANSYS, Abaqus, Actran, or a suitable equivalent, with emphasis on phononic band-gap behaviour and transmission-loss prediction. I will build and validate the model with accurate geometry, material properties, boundary conditions, mesh/solver settings, and convergence studies. The analysis will target the first three relevant band gaps and quantify insertion/transmission loss across 200–800 Hz, with the goal of demonstrating the required ≥6 dB noise reduction. Deliverables will include dispersion curves, SPL/pressure-field maps, validated simulation files, detailed results, and a concise technical report connecting the findings to practical VTOL panel/airframe applications. I can also provide recommendations for prototype fabrication and experimental validation. Give me one opportunity to handle your project. I assure you of accurate, rigorous, and professional work delivered on time.
₹6,000 INR in 3 days
3.5
3.5

Dear Client, I am a PhD holder in Physics specialized in Acoustic Metamaterials and Phononic Crystals, with strong expertise in wave propagation, band-gap engineering, and COMSOL Multiphysics simulations. I have several years of research experience in designing and analyzing phononic structures, acoustic metamaterials, and metasurfaces for wave attenuation and insulation applications. My work includes Bloch-Floquet analysis, dispersion curves, transmission loss evaluation, and finite element modeling. For your VTOL noise reduction project, I can: * Design and optimize phononic metamaterial structures. * Perform FEM simulations in COMSOL. * Calculate dispersion relations and band gaps. * Analyze acoustic attenuation and SPL distributions. * Deliver clear technical reports and recommendations. My background combines advanced research, scientific publications, and practical simulation experience, making me well suited to contribute to this project. I would be pleased to discuss the project details and propose an efficient methodology to achieve your objectives. Best regards, Dr. Ramdan Braik PhD in Physics – Acoustic Metamaterials COMSOL Multiphysics Specialist
₹12,000 INR in 7 days
0.0
0.0

Bengaluru, India
Member since Aug 24, 2026
€70 EUR
₹1500-12500 INR
$30-250 USD
₹400-750 INR / hour
$250-750 USD
$30-250 USD
£250-750 GBP
$750-1500 AUD
€8-30 EUR
₹75000-150000 INR
₹150000-250000 INR
$25-50 USD / hour
₹12500-37500 INR
€10-250 EUR
$10-30 USD
$30-250 USD
$30-250 USD
₹600-1500 INR
$250-750 USD
$15-25 USD / hour