Add finite-volume pressure gradient (phase 1 -- 2nd order) - #493

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xylar wants to merge 30 commits into

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xylar:omega/add-finite-volume-horiz-press-grad-phase1

Commits on Aug 1, 2026

Add TEOS-10 first derivatives of specific volume

xylar
and
claude
committed
bc1749a
Add specific volume derivatives for linear and constant EOS

xylar
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claude
committed
d4aa9d8
Add Eos::computeSpecVolAndDerivs

xylar
and
claude
committed
c06c17f
Add unit tests for TEOS-10 specific volume derivatives

xylar
and
claude
committed
992b65e
Compute Brunt-Vaisala coefficients from the specific volume derivatives

xylar
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claude
committed
256c8b0
Document specific volume derivatives in the EOS guides

xylar
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claude
committed
222301e

Commits on Aug 2, 2026

Distinguish point-wise and chunk-wise derivative calls by name
xylar
committed
0558a14
Explain when the specific volume derivatives are computed
xylar
committed
6ef8ceb
Say why alpha and beta cannot reuse the stored derivatives
xylar
committed
4e19a01
Distinguish the two GSW-C based derivative tests
xylar
committed
b1a9569
Correct which calls need the specific volume derivatives
xylar
committed
c508b3a
Check cross-type reads of non-distributed variables in IOTest

xylar
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claude
committed
346efda
Convert data types when reading non-distributed variables

xylar
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claude
committed
27ee6ee
Add a single-precision VertCoord test

xylar
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claude
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6f58564
Rename the pressure gradient type and functor to FiniteVolume

xylar
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claude
committed
f6aa79a
Add the FiniteVolume pressure gradient configuration options

xylar
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claude
committed
d6f9827
Widen the pressure gradient interfaces for the FiniteVolume scheme

xylar
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claude
committed
1516d71
Add a unit test for the centered pressure gradient identity

xylar
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claude
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9cd9c31
Abort on an unrecognized PressureGradType

xylar
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claude
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d56f85d
Add the mean-preserving linear reconstruction in pressure

xylar
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claude
committed
1d79dda
Add a unit test for the reconstruction estimator

xylar
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claude
committed
af02536
Add the edge-shared EOS expansion and the per-column pressure lookup

xylar
and
claude
committed
9abc2e8
Add the matched-pressure integrand

xylar
and
claude
committed
f4a7803
Add the column scan, its sea-floor anchor and the recurrence

xylar
and
claude
committed
df21f95
Assemble the FiniteVolume pressure gradient tendency

xylar
and
claude
committed
8f478ce
Add the exactness gate and its guards

xylar
and
claude
committed
f7665de
Run the exactness gate in single precision

xylar
and
claude
committed
6cd10f1
Add the equation-of-state cost check

xylar
and
claude
committed
6e2302e
Document the FiniteVolume pressure gradient

xylar
and
claude
committed
e4b377c
Harden the FiniteVolume dispatch check

xylar
and
claude
committed
d9cc591

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Add finite-volume pressure gradient (phase 1 -- 2nd order) - #493

Add finite-volume pressure gradient (phase 1 -- 2nd order)#493
xylar wants to merge 30 commits into
E3SM-Project:developfrom
xylar:omega/add-finite-volume-horiz-press-grad-phase1

Commits on Aug 1, 2026

Add TEOS-10 first derivatives of specific volume

Add specific volume derivatives for linear and constant EOS

Add Eos::computeSpecVolAndDerivs

Add unit tests for TEOS-10 specific volume derivatives

Compute Brunt-Vaisala coefficients from the specific volume derivatives

Document specific volume derivatives in the EOS guides

Commits on Aug 2, 2026

Distinguish point-wise and chunk-wise derivative calls by name

Explain when the specific volume derivatives are computed

Say why alpha and beta cannot reuse the stored derivatives

Distinguish the two GSW-C based derivative tests

Correct which calls need the specific volume derivatives

Check cross-type reads of non-distributed variables in IOTest

Convert data types when reading non-distributed variables

Add a single-precision VertCoord test

Rename the pressure gradient type and functor to FiniteVolume

Add the FiniteVolume pressure gradient configuration options

Widen the pressure gradient interfaces for the FiniteVolume scheme

Add a unit test for the centered pressure gradient identity

Abort on an unrecognized PressureGradType

Add the mean-preserving linear reconstruction in pressure

Add a unit test for the reconstruction estimator

Add the edge-shared EOS expansion and the per-column pressure lookup

Add the matched-pressure integrand

Add the column scan, its sea-floor anchor and the recurrence

Assemble the FiniteVolume pressure gradient tendency

Add the exactness gate and its guards

Run the exactness gate in single precision

Add the equation-of-state cost check

Document the FiniteVolume pressure gradient

Harden the FiniteVolume dispatch check