Finite Amplitude Acoustics

نویسندگان

چکیده

برای دانلود باید عضویت طلایی داشته باشید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Small-amplitude acoustics in bulk granular media.

We propose and validate a three-dimensional continuum modeling approach that predicts small-amplitude acoustic behavior of dense-packed granular media. The model is obtained through a joint experimental and finite-element study focused on the benchmark example of a vibrated container of grains. Using a three-parameter linear viscoelastic constitutive relation, our continuum model is shown to qu...

متن کامل

Dispersion-reducing finite elements for transient acoustics

This paper focuses on increasing the accuracy of low-order four-node quadrilateral finite elements for the transient analysis of wave propagation. Modified integration rules, originally proposed for time-harmonic problems, provide the basis for the proposed technique. The modified integration rules shift the integration points to locations away from the conventional Gauss or Gauss-Lobatto integ...

متن کامل

Session 5pPA: Physical Acoustics 5pPA10. Experimental investigation of a characteristic shock formation distance in finite-amplitude noise propagation

Unlike initially sinusoidal waveforms, the definition of the "shock formation distance" for noise is complicated by the fact that not all shocks form at the same rate. Examination of the concept of a "characteristic" shock formation distance for noise raises some questions: Is there some generalization of the shock formation distance for sinusoidal signals that can be applied to noise? If so, i...

متن کامل

Finite-amplitude Internal Wavepacket Dispersion and Breaking

The evolution and stability o f t wo-dimensional, large-amplitude, non-hydrostatic internal wavepackets are examined analytically and by w ay o f n umerical simulations. The weakly nonlinear dispersion relation for horizontally periodic, vertically compact internal waves is derived and the results are applied to assess the stability o f w eakly nonlinear wavepackets to vertical modulations. In ...

متن کامل

Absorption of finite amplitude focused ultrasound.

Predictions of the absorption of focused finite amplitude waves based on weak shock theory have been tested experimentally. The characteristics of this absorption are qualitatively different from those associated with small signal losses. Under appropriate conditions, the absorption of finite amplitude ultrasound is determined largely by source amplitude, field geometry, and the nonlinear prope...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: The Journal of the Acoustical Society of America

سال: 1955

ISSN: 0001-4966

DOI: 10.1121/1.1917973