spurious shock

USAGE SUMMARY

The phrase "spurious shock" is correct and usable in written English.
It can be used in contexts where you want to describe a shock or reaction that is false, misleading, or not genuine. Example: "The sudden drop in stock prices was a spurious shock, as the underlying fundamentals of the company remained strong."

✓ Grammatically correct

Science

News & Media

Human-verified examples from authoritative sources

Exact Expressions

1 human-written examples

The statistical average of this method corrects the spurious shock speed, as will be proved with a scalar model problem and demonstrated by a wide range of numerical examples in inviscid detonation waves in both one and two space dimensions.

Journal of Computational Physics

Human-verified similar examples from authoritative sources

Similar Expressions

59 human-written examples

Second, we introduce a modification of the slope-limiting algorithm to prevent our numerical method from producing spurious shocks.

Journal of Computational Physics

We show that this approach fails to produce solutions consistent with the physics of the problem and can give rise to unacceptable artifacts such as spurious shocks.

Journal of Computational Physics

All events were easily explained and by upgrading the template or the software, spurious shocks could be further prevented.

Clinical Research in Cardiology

To prevent the formation of spurious oscillations around shocks, artificial nonlinear viscosity [A.W. Cook, W.H. Cabot, A high-wavenumber viscosity for high resolution numerical method, J. Comput. Phys. 195 (2004) 594 601] based on high-order derivative of the strain rate tensor is used.

Journal of Computational Physics

A main feature of the algorithm, that is not possible in previous Eulerian implementations, is the ability to resolve shocks and prevent spurious heating where both the pre-shock and post-shock fluid are supersonic.

New Astronomy

Shock-fitting algorithms have been proposed as an alternative which can achieve uniform high-order accuracy and can avoid possible spurious oscillations incurred in shock-capturing methods by treating shocks as sharp interfaces.

Journal of Computational Physics

There is a need to develop new methods capable of simulating nonequilibrium hypersonic flow fields with uniformly high-order accuracy and avoid spurious oscillations near the shock.

Journal of Computational Physics

We also compare our method with the artifical viscosity scheme customary to spectral methods, namely using high powers of the Laplacian, and show that results are improved, in our case, leaving out spurious oscillations near the shock, in particular.

Journal of Computational Physics

Spurious Cartesian grid induced shock instabilities such as carbuncles that feature in a local one-dimensional contact capturing treatment along the cell face normals are effectively eliminated through upwind flux calculation using a rotated Hartex Lax van Leer contact resolving (HLLC) approximate Riemann solver for the Euler equations in generalized coordinates.

Journal of Computational Physics

Extensive numerical tests demonstrate fourth-order convergence for stationary and time-dependent Euler and magnetohydrodynamic flows on cubed-sphere grids, and robustness against spurious oscillations at 3D shocks.

Journal of Computational Physics

Expert writing Tips

Best practice

When discussing numerical simulations or models, use "spurious shock" to indicate a shock wave that arises from the computational method rather than physical reality.

Common error

Avoid confusing "spurious shocks", which are artifacts of a model or simulation, with actual physical shocks. Always validate results against known physical principles or experimental data.

Linguistic Context

The phrase "spurious shock" functions as a noun phrase where the adjective "spurious" modifies the noun "shock". It describes a shock that is not genuine, often arising from errors in computational models as demonstrated by Ludwig.

Expression frequency: Rare

Frequent in

Science

90%

News & Media

5%

Formal & Business

5%

Less common in

Encyclopedias

0%

Wiki

0%

Reference

0%

Ludwig's WRAP-UP

The phrase "spurious shock" is a technical term, primarily used in scientific and computational contexts to describe a shock wave that is not genuine but arises from errors or limitations in a simulation or model. According to Ludwig AI, the phrase is grammatically correct. It is relatively rare, but is important to differentiate artifacts of computation from actual physical events. Related phrases include "false shock" and "artificial shock", each adding a slightly different nuance. When using "spurious shock", ensure that you are clear about the context in which it appears to avoid misinterpretations.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

false shock

Replaces "spurious" with "false", emphasizing the untrue or inaccurate nature of the shock.

artificial shock

Substitutes "spurious" with "artificial", suggesting the shock is not naturally occurring or genuine.

illusory shock

Replaces "spurious" with "illusory", highlighting the deceptive appearance of a shock.

pseudo shock

Uses "pseudo" instead of "spurious", indicating a resemblance to a shock without being one.

simulated shock

Indicates that the shock is created or imitated, not real.

erroneous shock

Emphasizes the incorrect or mistaken nature of the shock.

unfounded shock

Highlights the lack of a solid basis or justification for the shock.

invalid shock

Focuses on the shock not being legitimate or acceptable.

groundless shock

Similar to "unfounded shock", emphasizing the absence of a valid reason.

deceptive shock

Focuses on the misleading or deceiving nature of the shock.

FAQs

How to use "spurious shock" in a sentence?

You can use "spurious shock" to describe a shock wave that is not genuine but appears as a result of errors or limitations in a simulation or model. For example: "The statistical average of this method corrects the "spurious shock" speed."

What is a "spurious shock" in computational physics?

In computational physics, a "spurious shock" refers to a non-physical shock wave that appears in numerical simulations due to discretization errors or other numerical artifacts. It is not a real physical phenomenon but a consequence of the computational method.

What are some alternatives to "spurious shock"?

Alternatives to "spurious shock" include "false shock", "artificial shock", or "illusory shock". The choice depends on the specific context and the nuance you want to convey.

How do numerical methods prevent "spurious shocks"?

Numerical methods often employ techniques like artificial viscosity, flux limiters, or higher-order schemes to minimize or eliminate "spurious shocks". These techniques aim to improve the accuracy and stability of the simulation.