"a straightforward structure" is correct and usable in written English.
You can use it to describe something that is easy to understand and follow. For example, "The project plan was laid out in a straightforward structure that was easy to comprehend."
"In Our Time" has a straightforward structure.
They work to a straightforward structure.
A straightforward structure with the nuances of horseshoes, the long, drawn-out flavor is rife with notes of harried housekeeping and intense aromas that are more I'm-on-the-floor than forest floor.
It has a straightforward structure and can be scored easily, making it optimal for research on cognitive abilities and the impact of environmental factors, stress, or drugs on human performance.
One Crow Alone (Macmillan £12.99) is a prequel to After the Snow and also a satisfying standalone novel, although with a more straightforward structure and voice than Willo's story.
It's a refreshingly straightforward structure, and that seems to attract an especially genuine crowd.
The heat-treated PS nanofibrous mat showed network structure between fibers, while the original PS nanofibrous mat showed a random straightforward structure.
Author Tom Maginnis thought the song had a progressive rock influence, with its unusual length and structure, repeating guitar riff, and white noise effects, though he noted the "I Want You" section has a straightforward blues structure.
But the documentary is basically traditional, with a straightforward, chronological structure.
This, along with the fact that he chooses a straightforward chronological structure, could make for rather a flat narrative.
Even a Lovett song with a straightforward country structure — such as, say, "The Truck Song," from his new record — is subversive.
